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Manga Online » Oniichan wa Oshimai!

Oniichan wa Oshimai!

Status:

Ongoing

Last updated:

Aug-30-2025 12:53:06 AM

View:

253,258

Rating:

5 / 5 - 69 votes

CHAPTER LIST
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Genres

Comedy Slice of life Gender bender Doujinshi Genderswap

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Oniichan wa Oshimai! CHAPTER LIST
Start Reading Newest Chapter

  • Oniichan wa Oshimai!

    Alternative : お兄ちゃんはおしまい！ / Onii-chan is Done For

  • Author(s) : Nekotoufu / ねことうふ / GRINP
  • Status : Ongoing
  • Last updated : Aug-30-2025 12:53:06 AM
  • TransGroup :
  • View : 253,258
  • Genres : Comedy , Slice of life , Gender bender , Doujinshi , Genderswap
  • Rating :
  •   manganato.art rate : 5 / 5 - 69 votes

📢 New Feature: Save Reading History for Guests!
MangaNato automatically saves your reading history—no account required!
Pick up your favorite manga right where you left off with ease. Log in to keep your progress synced across devices.
📌 Find your saved history in the section on the site.

Chapter name View Time uploaded
Chapter 103 512 08-30 00:53
Chapter 102 424 08-30 00:52
Chapter 101 1,387 06-28 00:27
Chapter 100 1,368 05-31 21:39
Chapter 99.5 244 08-30 00:52
Chapter 99 1,126 05-31 21:38
Chapter 98.5 845 08-30 00:52
Chapter 98 333 05-31 21:38
Chapter 97 613 05-31 21:38
Chapter 96 800 05-31 21:38
Chapter 95.9 408 05-31 21:37
Chapter 95.5 922 05-31 21:37
Chapter 95 450 05-31 21:37
Chapter 94 819 05-31 21:37
Chapter 93.5 487 05-31 21:36
Chapter 93 643 05-31 21:36
Chapter 92.5 825 05-31 21:36
Chapter 92 464 05-31 21:36
Chapter 91.5 470 05-31 21:36
Chapter 91 500 05-31 21:35
Chapter 90.9 976 05-31 21:35
Chapter 90.8 333 05-31 21:35
Chapter 90.5 775 05-31 21:35
Chapter 90 783 05-31 21:34
Chapter 89 541 05-31 21:34
Chapter 88.5 283 05-31 21:34
Chapter 88 814 05-31 21:34
Chapter 87 529 05-31 21:33
Chapter 86.9 978 05-31 21:33
Chapter 86.5 962 05-31 21:33
Chapter 86 743 05-31 21:33
Chapter 85.5 437 05-31 21:33
Chapter 85 934 05-31 21:32
Chapter 84 1,033 05-31 21:32
Chapter 83.9 499 05-31 21:32
Chapter 83 553 05-31 21:32
Chapter 82.5 605 05-31 21:31
Chapter 82 836 05-31 21:31
Chapter 81.9 820 05-31 21:31
Chapter 81.5 204 05-31 21:31
Chapter 81 953 05-31 21:30
Chapter 80.8 381 05-31 21:30
Chapter 80.5 807 05-31 21:30
Chapter 80 239 05-31 21:30
Chapter 79 792 05-31 21:29
Chapter 78.9 641 05-31 21:29
Chapter 78.5 351 05-31 21:28
Chapter 78 747 05-31 21:28
Chapter 77 695 05-31 21:28
Chapter 76.9 314 05-31 21:28
Chapter 76.1 554 05-31 21:28
Chapter 76 949 05-31 21:27
Chapter 75.1 941 05-31 21:27
Chapter 75.0 528 05-31 21:27
Chapter 74.5 590 05-31 21:27
Chapter 74.1 945 05-31 21:26
Chapter 74 713 05-31 21:26
Chapter 73.1 809 05-31 21:26
Chapter 73 846 05-31 21:26
Chapter 72.9 348 05-31 21:26
Chapter 72 924 05-31 21:25
Chapter 71.5 312 05-31 21:25
Chapter 71 475 05-31 21:25
Chapter 70.9 1,027 05-31 21:25
Chapter 70.8 497 05-31 21:24
Chapter 70.7 536 05-31 21:24
Chapter 70.5 430 05-31 21:24
Chapter 70.1 775 05-31 21:24
Chapter 70.0 1,010 05-31 21:24
Chapter 69.5 228 05-31 21:23
Chapter 69.1 214 05-31 21:23
Chapter 69.0 772 05-31 21:23
Chapter 68.1 901 05-31 21:23
Chapter 68.0 656 05-31 21:22
Chapter 67 320 05-31 21:22
Chapter 66.5 243 05-31 21:22
Chapter 66 788 05-31 21:22
Chapter 65 841 05-31 21:22
Chapter 64.2 949 05-31 21:21
Chapter 64.1 874 05-31 21:21
Chapter 64.0 652 05-31 21:21
Chapter 63.5 543 05-31 21:21
Chapter 63 377 05-31 21:21
Chapter 62.5 208 05-31 21:20
Chapter 62.1 993 05-31 21:20
Chapter 62 761 05-31 21:20
Chapter 61 953 05-31 21:20
Chapter 60.5 831 05-31 21:19
Chapter 60 286 05-31 21:19
Chapter 59 950 05-31 21:18
Chapter 58.5 650 05-31 21:18
Chapter 58 610 05-31 21:18
Chapter 57 162 05-31 21:18
Chapter 56.5 999 05-31 21:17
Chapter 56 763 05-31 21:17
Chapter 55.1 341 05-31 21:17
Chapter 55.0 397 05-31 21:17
Chapter 54.9 246 05-31 21:16
Chapter 54.8 814 05-31 21:16
Chapter 54.7 976 05-31 21:16
Chapter 54.5 197 05-31 21:16
Chapter 54 247 05-31 21:16
Chapter 53.5 984 05-31 21:15
Chapter 53 216 05-31 21:15
Chapter 52 672 05-31 21:15
Chapter 51.5 382 05-31 21:15
Chapter 51 366 05-31 21:15
Chapter 50.7 159 05-31 21:14
Chapter 50.6 143 05-31 21:14
Chapter 50.5 915 05-31 21:14
Chapter 50 405 05-31 21:14
Chapter 49 289 05-31 21:13
Chapter 48.5 990 05-31 21:13
Chapter 48 936 05-31 21:13
Chapter 47.5 882 05-31 21:13
Chapter 47 935 05-31 21:13
Chapter 46.5 751 05-31 21:12
Chapter 46 635 05-31 21:12
Chapter 45.9 1,005 05-31 21:12
Chapter 45.7 405 05-31 21:12
Chapter 45 591 05-31 21:11
Chapter 44 442 05-31 21:11
Chapter 43.5 676 05-31 21:11
Chapter 43 540 05-31 21:11
Chapter 42.6 457 05-31 21:11
Chapter 42.5 497 05-31 21:10
Chapter 42 786 05-31 21:10
Chapter 41.8 395 05-31 21:10
Chapter 41.7 146 05-31 21:10
Chapter 41.6 797 05-31 21:09
Chapter 41.5 359 05-31 21:09
Chapter 41.3 156 05-31 21:09
Chapter 41.1 886 05-31 21:09
Chapter 41.0 549 05-31 21:09
Chapter 40.8 167 05-31 21:08
Chapter 40.6 601 05-31 21:08
Chapter 40.5 616 05-31 21:08
Chapter 40 227 05-31 21:08
Chapter 39.5 354 05-31 21:07
Chapter 39 607 05-31 21:07
Chapter 38.5 1,017 05-31 21:07
Chapter 38 766 05-31 21:07
Chapter 37.5 242 05-31 21:06
Chapter 37 272 05-31 21:06
Chapter 36.9 652 05-31 21:06
Chapter 36.5 167 05-31 21:06
Chapter 36 672 05-31 21:05
Chapter 35.6 335 05-31 21:05
Chapter 35.5 577 05-31 21:05
Chapter 35.4 494 05-31 21:05
Chapter 35 731 05-31 21:05
Chapter 34.5 886 05-31 21:04
Chapter 34 265 05-31 21:04
Chapter 33.5 634 05-31 21:04
Chapter 33 741 05-31 21:04
Chapter 32.5 582 05-31 21:03
Chapter 32 420 05-31 21:03
Chapter 31 847 05-31 21:03
Chapter 30.9 721 05-31 21:03
Chapter 30.8 700 05-31 21:02
Chapter 30.5 492 05-31 21:02
Chapter 30 803 05-31 21:02
Chapter 29 377 05-31 21:02
Chapter 28.2 366 05-31 21:01
Chapter 28.1 883 05-31 21:01
Chapter 28.0 769 05-31 21:01
Chapter 27.5 679 05-31 21:01
Chapter 27 580 05-31 21:00
Chapter 26 256 05-31 21:00
Chapter 25 500 05-31 21:00
Chapter 24.5 970 05-31 21:00
Chapter 24 433 05-31 20:59
Chapter 23 177 05-31 20:59
Chapter 22.5 919 05-31 20:59
Chapter 22 326 05-31 20:59
Chapter 21.5 840 05-31 20:59
Chapter 21 760 05-31 20:58
Chapter 20.9 453 05-31 20:58
Chapter 20.5 162 05-31 20:58
Chapter 20 988 05-31 20:58
Chapter 19.1 493 05-31 20:57
Chapter 19.0 626 05-31 20:57
Chapter 18.5 961 05-31 20:57
Chapter 18 292 05-31 20:57
Chapter 17 992 05-31 20:57
Chapter 16 894 05-31 20:56
Chapter 15.5 200 05-31 20:56
Chapter 15 880 05-31 20:56
Chapter 14 279 05-31 20:56
Chapter 13 612 05-31 20:56
Chapter 12.5 841 05-31 20:55
Chapter 12 793 05-31 20:55
Chapter 11.1 551 05-31 20:55
Chapter 11.0 553 05-31 20:55
Chapter 10.9 550 05-31 20:54
Chapter 10.5 690 05-31 20:54
Chapter 10 695 05-31 20:54
Chapter 9.5 465 05-31 20:54
Chapter 9 905 05-31 20:54
Chapter 8.5 685 05-31 20:53
Chapter 8 211 05-31 20:53
Chapter 7 926 05-31 20:53
Chapter 6.5 876 05-31 20:53
Chapter 6 709 05-31 20:52
Chapter 5.5 259 05-31 20:52
Chapter 5 277 05-31 20:52
Chapter 4 631 05-31 20:52
Chapter 3 577 05-31 20:52
Chapter 2 1,176 05-31 20:51
Chapter 1.5 1,103 05-31 20:51
Chapter 1.0 1,118 05-31 20:51
Chapter 0 374 05-31 20:51

Oniichan wa Oshimai! summary:

Mihari Oyama's brother turns into a girl after she slips a certain medicine into his dinner. This is the story of him learning the ways of being a girl.

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