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Manga Online » Oniichan wa Oshimai!

Oniichan wa Oshimai!

Author(s):

Nekotoufu / ねことうふ / GRINP

Status:

Ongoing

Last updated:

Sep-26-2025 11:21:50 PM

View:

258,726

Rating:

5 / 5 - 53 votes

CHAPTER LIST
Start Reading Newest Chapter

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 : Sep-26-2025 11:21:50 PM
  • TransGroup :
  • View : 258,726
  • Genres : Comedy , Slice of life , Gender bender , Doujinshi , Genderswap
  • Rating :
  •   mangakakalot.art rate : 5 / 5 - 53 votes

📢 New Feature: Save Reading History for Guests!
MangaKakalot 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 104 906 09-26 23:21
Chapter 103 701 08-30 00:53
Chapter 102 529 08-30 00:52
Chapter 101 1,468 06-28 00:27
Chapter 100 1,444 05-31 21:39
Chapter 99.5 270 08-30 00:52
Chapter 99 1,163 05-31 21:38
Chapter 98.5 866 08-30 00:52
Chapter 98 364 05-31 21:38
Chapter 97 647 05-31 21:38
Chapter 96 837 05-31 21:38
Chapter 95.9 426 05-31 21:37
Chapter 95.5 945 05-31 21:37
Chapter 95 481 05-31 21:37
Chapter 94 854 05-31 21:37
Chapter 93.5 510 05-31 21:36
Chapter 93 680 05-31 21:36
Chapter 92.5 836 05-31 21:36
Chapter 92 496 05-31 21:36
Chapter 91.5 490 05-31 21:36
Chapter 91 528 05-31 21:35
Chapter 90.9 992 05-31 21:35
Chapter 90.8 361 05-31 21:35
Chapter 90.5 794 05-31 21:35
Chapter 90 813 05-31 21:34
Chapter 89 565 05-31 21:34
Chapter 88.5 288 05-31 21:34
Chapter 88 840 05-31 21:34
Chapter 87 557 05-31 21:33
Chapter 86.9 995 05-31 21:33
Chapter 86.5 973 05-31 21:33
Chapter 86 776 05-31 21:33
Chapter 85.5 462 05-31 21:33
Chapter 85 968 05-31 21:32
Chapter 84 1,063 05-31 21:32
Chapter 83.9 510 05-31 21:32
Chapter 83 577 05-31 21:32
Chapter 82.5 616 05-31 21:31
Chapter 82 855 05-31 21:31
Chapter 81.9 831 05-31 21:31
Chapter 81.5 216 05-31 21:31
Chapter 81 974 05-31 21:30
Chapter 80.8 393 05-31 21:30
Chapter 80.5 822 05-31 21:30
Chapter 80 262 05-31 21:30
Chapter 79 814 05-31 21:29
Chapter 78.9 651 05-31 21:29
Chapter 78.5 362 05-31 21:28
Chapter 78 762 05-31 21:28
Chapter 77 713 05-31 21:28
Chapter 76.9 324 05-31 21:28
Chapter 76.1 562 05-31 21:28
Chapter 76 970 05-31 21:27
Chapter 75.1 958 05-31 21:27
Chapter 75.0 533 05-31 21:27
Chapter 74.5 603 05-31 21:27
Chapter 74.1 953 05-31 21:26
Chapter 74 736 05-31 21:26
Chapter 73.1 814 05-31 21:26
Chapter 73 865 05-31 21:26
Chapter 72.9 364 05-31 21:26
Chapter 72 945 05-31 21:25
Chapter 71.5 328 05-31 21:25
Chapter 71 494 05-31 21:25
Chapter 70.9 1,038 05-31 21:25
Chapter 70.8 505 05-31 21:24
Chapter 70.7 551 05-31 21:24
Chapter 70.5 446 05-31 21:24
Chapter 70.1 802 05-31 21:24
Chapter 70.0 1,022 05-31 21:24
Chapter 69.5 244 05-31 21:23
Chapter 69.1 230 05-31 21:23
Chapter 69.0 779 05-31 21:23
Chapter 68.1 917 05-31 21:23
Chapter 68.0 667 05-31 21:22
Chapter 67 342 05-31 21:22
Chapter 66.5 258 05-31 21:22
Chapter 66 808 05-31 21:22
Chapter 65 864 05-31 21:22
Chapter 64.2 957 05-31 21:21
Chapter 64.1 891 05-31 21:21
Chapter 64.0 670 05-31 21:21
Chapter 63.5 555 05-31 21:21
Chapter 63 397 05-31 21:21
Chapter 62.5 214 05-31 21:20
Chapter 62.1 995 05-31 21:20
Chapter 62 782 05-31 21:20
Chapter 61 973 05-31 21:20
Chapter 60.5 845 05-31 21:19
Chapter 60 308 05-31 21:19
Chapter 59 969 05-31 21:18
Chapter 58.5 663 05-31 21:18
Chapter 58 632 05-31 21:18
Chapter 57 183 05-31 21:18
Chapter 56.5 1,016 05-31 21:17
Chapter 56 788 05-31 21:17
Chapter 55.1 357 05-31 21:17
Chapter 55.0 407 05-31 21:17
Chapter 54.9 246 05-31 21:16
Chapter 54.8 816 05-31 21:16
Chapter 54.7 989 05-31 21:16
Chapter 54.5 209 05-31 21:16
Chapter 54 269 05-31 21:16
Chapter 53.5 995 05-31 21:15
Chapter 53 234 05-31 21:15
Chapter 52 692 05-31 21:15
Chapter 51.5 387 05-31 21:15
Chapter 51 389 05-31 21:15
Chapter 50.7 168 05-31 21:14
Chapter 50.6 155 05-31 21:14
Chapter 50.5 927 05-31 21:14
Chapter 50 425 05-31 21:14
Chapter 49 310 05-31 21:13
Chapter 48.5 1,002 05-31 21:13
Chapter 48 958 05-31 21:13
Chapter 47.5 891 05-31 21:13
Chapter 47 954 05-31 21:13
Chapter 46.5 760 05-31 21:12
Chapter 46 654 05-31 21:12
Chapter 45.9 1,017 05-31 21:12
Chapter 45.7 418 05-31 21:12
Chapter 45 608 05-31 21:11
Chapter 44 464 05-31 21:11
Chapter 43.5 692 05-31 21:11
Chapter 43 560 05-31 21:11
Chapter 42.6 472 05-31 21:11
Chapter 42.5 512 05-31 21:10
Chapter 42 802 05-31 21:10
Chapter 41.8 401 05-31 21:10
Chapter 41.7 156 05-31 21:10
Chapter 41.6 800 05-31 21:09
Chapter 41.5 364 05-31 21:09
Chapter 41.3 163 05-31 21:09
Chapter 41.1 903 05-31 21:09
Chapter 41.0 557 05-31 21:09
Chapter 40.8 180 05-31 21:08
Chapter 40.6 607 05-31 21:08
Chapter 40.5 625 05-31 21:08
Chapter 40 249 05-31 21:08
Chapter 39.5 368 05-31 21:07
Chapter 39 627 05-31 21:07
Chapter 38.5 1,025 05-31 21:07
Chapter 38 788 05-31 21:07
Chapter 37.5 252 05-31 21:06
Chapter 37 291 05-31 21:06
Chapter 36.9 663 05-31 21:06
Chapter 36.5 177 05-31 21:06
Chapter 36 687 05-31 21:05
Chapter 35.6 340 05-31 21:05
Chapter 35.5 591 05-31 21:05
Chapter 35.4 503 05-31 21:05
Chapter 35 752 05-31 21:05
Chapter 34.5 902 05-31 21:04
Chapter 34 284 05-31 21:04
Chapter 33.5 644 05-31 21:04
Chapter 33 763 05-31 21:04
Chapter 32.5 595 05-31 21:03
Chapter 32 438 05-31 21:03
Chapter 31 866 05-31 21:03
Chapter 30.9 730 05-31 21:03
Chapter 30.8 719 05-31 21:02
Chapter 30.5 512 05-31 21:02
Chapter 30 827 05-31 21:02
Chapter 29 397 05-31 21:02
Chapter 28.2 383 05-31 21:01
Chapter 28.1 907 05-31 21:01
Chapter 28.0 792 05-31 21:01
Chapter 27.5 698 05-31 21:01
Chapter 27 601 05-31 21:00
Chapter 26 278 05-31 21:00
Chapter 25 542 05-31 21:00
Chapter 24.5 992 05-31 21:00
Chapter 24 451 05-31 20:59
Chapter 23 197 05-31 20:59
Chapter 22.5 935 05-31 20:59
Chapter 22 348 05-31 20:59
Chapter 21.5 859 05-31 20:59
Chapter 21 786 05-31 20:58
Chapter 20.9 471 05-31 20:58
Chapter 20.5 181 05-31 20:58
Chapter 20 1,011 05-31 20:58
Chapter 19.1 514 05-31 20:57
Chapter 19.0 647 05-31 20:57
Chapter 18.5 979 05-31 20:57
Chapter 18 317 05-31 20:57
Chapter 17 1,015 05-31 20:57
Chapter 16 916 05-31 20:56
Chapter 15.5 215 05-31 20:56
Chapter 15 903 05-31 20:56
Chapter 14 296 05-31 20:56
Chapter 13 633 05-31 20:56
Chapter 12.5 858 05-31 20:55
Chapter 12 812 05-31 20:55
Chapter 11.1 571 05-31 20:55
Chapter 11.0 571 05-31 20:55
Chapter 10.9 566 05-31 20:54
Chapter 10.5 710 05-31 20:54
Chapter 10 723 05-31 20:54
Chapter 9.5 486 05-31 20:54
Chapter 9 945 05-31 20:54
Chapter 8.5 709 05-31 20:53
Chapter 8 245 05-31 20:53
Chapter 7 956 05-31 20:53
Chapter 6.5 897 05-31 20:53
Chapter 6 744 05-31 20:52
Chapter 5.5 281 05-31 20:52
Chapter 5 320 05-31 20:52
Chapter 4 687 05-31 20:52
Chapter 3 645 05-31 20:52
Chapter 2 1,291 05-31 20:51
Chapter 1.5 1,204 05-31 20:51
Chapter 1.0 1,175 05-31 20:51
Chapter 0 430 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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