Romance Manga Online | MangaNato

I Became the Mentor of the Weakest Demon King

After criticizing the ending of the game “Evil Queen Maker” the protagonist is pulled inside as the Demon King’s teacher and must raise the weakest Demon King, 7-year-old Seere, into the strongest ruler in order to escape.

Osoraku Kanojo wa Ore no Aniki wo Neratteru

A high school guy who doesn't trust girls anymore has been tricked too many times by girls who just wanted to get close to his good-looking older brother. After all that, he decides he’ll never trust a girl again. But then, a pretty girl in his class suddenly starts talking to him a lot. Is she just trying to get to his brother too…? Or does she actually mean something else?

I Dream of Health, Wealth, and a Long Life

Lady Adrianna surpasses her noble status, as she holds a significant part in Ramona's Tale, a cherished novel that depicts the life of a destitute girl who suffered an abrupt death. Having received a new chance at life, Lady Adrianna resolves to avert the tragic fate she experienced previously and won't let any malevolent stepmother hinder her. In her odyssey, she assembles a band of charming confidants, including a shrewd prince, a friendly count, and a mysterious demon prince. Above all, she aspires to lead a prosperous and gratifying existence, unencumbered by any affliction or obstacle.

Ittsu

Sagami was dragged into sneaking into the high school that he and his two other friends were attempting to be accepted into after they graduate from middle school. While sneaking around, observing the high school girls, Sagami noticed one girl that stood out. It was love at first sight. He took a picture of her with his cell, and now uses it as his "reward" for studying harder to get into the high school. Due to this "reward" system, he successfully got accepted into the high school where the girl of his dreams attends. Now, an odd and awkward high school love life begins for Sagami.

Evangeline’s Sword

Eve's longing to be with her childhood friend, Mikha, remains steadfast even after three years. However, when she discovers that Mikha has been cursed and his sorcery leads only to destruction, she is compelled to embark on a perilous adventure to not only rescue her beloved but also salvage the world from apparent ruin. How much is Eve willing to sacrifice for love?

The Villainess Has Shrunk!

After a decade of pretending to be the count's despised daughter, Karuna finally couldn't take it anymore and ran away. But her escape plan was foiled when she was suddenly ambushed. In a desperate attempt to protect herself, she consumed a time-altering potion that ended up turning her into a child. Frightened and unsure, Karuna stumbled upon Duke Vykeld's property, where she sought safety after witnessing a wolf transform into him. Will Karuna be able to adapt to this sudden shift back into childhood after enduring ten years of aristocratic misery?

A Former Assassin Was Reborn As A Blue-Hooded Daughter

The story is about Serena, a former assassin who was reincarnated as a duke's daughter after failing her mission. She initially thought that pretending to be a noble would be easy, but she struggled with the gap in perception between herself and her mother, who had a flighty personality, and her step-sister, who deceived those around her in an attempt to push Serena out of the picture. Despite skillfully dodging the harassment she faced at the tea parties full of rivalry and navigating the complex social life of a school embroiled in love and hate, Serena's cold demeanor resulted in her being ostracized and isolated. One day, she discovers that her step-sister is engaged to the second prince, which leads her to run away from home. However, it is at this point that the first prince, Evan, appears in front of her... Follow Serena, a former assassin who knows nothing of love, as she charges forward into the aristocratic society of another world in this comedic, occasionally romantic tale.

Three Sisters in Love with You

Itsuki lives with Amane and her two sisters, Shion and Mone.

Kitchen Goddess and the Assassin (Colored)

Cooking was my only love as an orphan until I found myself trapped in the Zhao Manor for no other reason than my stunning looks. But fate had other plans for me as I was 'abducted' by an elite hitman who eventually made me his personal chef. I was taken aback when he brought me to his secret hideaway and wondered how I wound up there. Nevertheless, he has become my protector, and I, Willow Ye, am determined to become a culinary master. We now make a formidable duo, and trust me, it's not something you want to miss out on.

To You Who Doesn't Love Me

Long ago, in a land of myths and legends, a young girl named Rose prepares for her terrifying fate as the sacrifice for the sea beast Leviathan. However, a brave hero appears suddenly and defeats the creature, saving Rose's life. Filled with gratitude, Rose pledges her loyalty to Mikhail, her rescuer who is the demigod child of Diana, the moon goddess. She joins his group of adventurers but soon realizes that her savior may not be as honorable as she once believed.

Painful, but Desirable

Do-Yun Cha has made up his mind that he's not interested in finding "true love" and instead, desires a pretend marriage. One evening, Ha-Yeon, an acquaintance from their university club, reveals to Do-Yun her desire to partake in his loveless pact. The catch? She's been harboring a crush on him for quite some time. Can Ha-Yeon persuade him to develop romantic feelings for her? Or will he uncover her ulterior motives? Note: The book has an epilogue and an additional four chapters.

Hi, I'm a Witch, and My Crush Wants Me to Make a Love Potion

The Good Witch of the Lake yearned for a love potion to be made by none other than her crush, Royal Knight Harij. After a four-year-long yearning, her heart was shattered with just one request. Determined to spend more time with her heart's desire, Rose sends Harij on a quest to gather the ingredients for the potion. Little did she know, she would be treated to daily visits from the once-grumpy knight. This unlikely pair's enchanting love story started with a love potion, and it will warm your heart.

Are Social Outcasts Even Allowed to Start Over?

I want a do over for the me who had no courage to speak of, and be born again as a new me. Koharu Kanba, who spent her gloomy high school days as a "social outcast", will now restart her life!!

My life turned around — after being cheated on and falsely accused, I end up being adored by the most beautiful girl in school.

At the end of summer, Eiji Aono witnesses his childhood friend and girlfriend, Miyuki Amada, cheating on him with Kondo, the ace of the soccer team. Betrayed by her and emotionally shattered, Eiji becomes the target of baseless slander and harassment. Cornered and with nowhere to turn, he escapes to the school rooftop—where he meets a mysterious girl… A complete manga adaptation of the double award-winning work from the 9th Kakuyomu Web Novel Contest (Kakuyomu Pro Writer Division & ComicWalker Manga Prize)!

Lily the Vicious Villainess

Once a revered sage and the voice of Seraph, the goddess, Saint Lily steered the empire on the path of prosperity until Seraph ceased to speak to her, leading to the empire's downfall and her untimely demise. However, when Seraph blesses her with a second chance at life, Lily embraces a different fate. As the leader of a gang, she strives to claim the empire as her own, adding abductions and romantic rendezvous to her agenda. With her switch from savior to malefactor, will Lily attain contentment at last? Or will she discover the complexity of existence beyond the realm of morality?

Lady Isabella's Path to Happiness

House Helsington has believed for centuries that their eldest child is cursed to die young. To avoid this tragic fate, they have a tradition of producing an illegitimate child to take on the burden. Isabella is one of these children and dreams of escaping her miserable life. When Grand Duke Noverdic offers her marriage to his son, Cleor, she jumps at the chance to flee. However, upon arriving in the north, she is greeted with love and warmth from her new family and fiancé, making her suspicious of their intentions. As Isabella navigates the path of a newfound love and the looming threat of her impending death, join her on this journey.

Duchess Debauchery

Duke Arthur Kaplan cannot bear the greedy and immoral members of his wife's family and thus demands a divorce. However, Roxanne knows that her kin will swiftly marry her off to another man upon her divorce. The Duchess proposes a bold solution: to engage in a romantic fling with a gentleman prior to their separation, granting her a short period of freedom to explore another's love. In due time, Roxanne encounters an altruistic masked man who seems to exceed her every desire, yet she senses a peculiar sense of recognition with him.

Sumaho no kabegami o koibito no shashin ni shita

The very first relationship I had in my college years. I put up a picture of him as my lockscreen wallpaper on a whim, and got found out by him... A one-shot love story about an age-gap romance, and the quiet moment that made me fall for him all over again.

The Werewolf Wants to Eat His Favorite Detective

Lady Chef Royale

Sena is transported to a different world where she is shunned as the unloved child of a rich family. She takes comfort in her favorite restaurant, where she develops advanced cooking skills. Adopting the name Senianna, she uses her talent and sharp taste buds to overcome challenges and reclaim her place in the kitchen, ultimately achieving the distinguished Chef Royale title. Will her delicious cuisine and exceptional abilities defeat her rivals and win her love and respect?

It's Pathetic, but I Want to Do Romance

Original Webtoon: ,

Kodomo Atsukai Shinaide Kudasai! - Youjoka Shichatta Kanpeki Shukujo wa, Kishi Danchou ni Amayakasareru

https://www.cmoa.jp/title/321689/?srsltid=AfmBOorgdo1XASLe7st8p9pKimhO75XP_qdsSjeBa4hmxD5eDPn0b9vD Rosé is hailed as the Perfect Lady—graceful, intelligent, and always composed. But behind her flawless façade lies a whirlwind of stress caused by three major sources: her troublesome sister, her chaotic childhood friend, and her unreliable fiancé. One day, under immense pressure, Rosé undergoes a bizarre transformation—into a child! Confused and desperate for peace, she begins to find comfort while talking in her child form with Sir Ewan, the ever-charming Knight Commander known as the “Smiling Noble.” He listens kindly, unaware of her true identity… or so she thinks. But things get complicated when Rosé starts to realize: Ewan might be falling for her adult self—and she might just feel the same. Can a woman juggling two identities find love and serenity? A heart-tugging romantic fantasy full of misunderstandings, double lives, and sweet moments of healing.

Copy-Paste Romance

24-year-old web novel writer Won Yeong isn't interested in love, but she can't help admiring her roommate's handsome boyfriend, Shin Mu-il. But Mu-il suddenly dies, and Yeong receives a mysterious package containing a robot vacuum. The vacuum introduces itself as an AI copy of Mu-il, and claims that he was murdered. Now, Yeong must navigate life with a digital version of the one man she couldn't resist, as she's pulled into a mystery far stranger and more personal than any of her novels.

Oosaki-san to Komori-san

A pure love story between two people with a 50cm height difference and mismatched appearances and personalities. The new part-timer is... a child!?!? Osaki-san is tall and has a poker face, making her seem intimidating at first glance, but she's actually shy and kind. The new employee who comes to Osaki-san's workplace is Komori-san, who is only 147cm tall and very friendly. These two, who are complete opposites in appearance and personality, find themselves drawn to each other...!? Osaki-san is clumsy and a crybaby, yet a go-getter, and Komori-san is oblivious, laid-back, and a gentle, introverted type. What will become of the love between these two, who are complete opposites and have a 50cm height difference...? This is the first installment of a hilarious and heartwarming survival-of-the-fittest (?) romantic comedy about these two quirky girls. (Source: Kadokawa, translated) *Note: Originally self-published on the author's Twitter, it was later acquired by Kadokawa who released the first volume on May 11, 2026.*