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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:

Oct-25-2025 12:01:15 AM

View:

261,038

Rating:

5 / 5 - 64 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 : Oct-25-2025 12:01:15 AM
  • TransGroup :
  • View : 261,038
  • Genres : Comedy , Slice of life , Gender bender , Doujinshi , Genderswap
  • Rating :
  •   mangakakalot.fan rate : 5 / 5 - 64 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 105 740 10-25 00:01
Chapter 104 1,021 09-26 23:21
Chapter 103 745 08-30 00:53
Chapter 102 560 08-30 00:52
Chapter 101 1,495 06-28 00:27
Chapter 100 1,470 05-31 21:39
Chapter 99.5 283 08-30 00:52
Chapter 99 1,177 05-31 21:38
Chapter 98.5 877 08-30 00:52
Chapter 98 380 05-31 21:38
Chapter 97 663 05-31 21:38
Chapter 96 853 05-31 21:38
Chapter 95.9 437 05-31 21:37
Chapter 95.5 959 05-31 21:37
Chapter 95 492 05-31 21:37
Chapter 94 867 05-31 21:37
Chapter 93.5 521 05-31 21:36
Chapter 93 693 05-31 21:36
Chapter 92.5 844 05-31 21:36
Chapter 92 510 05-31 21:36
Chapter 91.5 498 05-31 21:36
Chapter 91 541 05-31 21:35
Chapter 90.9 1,000 05-31 21:35
Chapter 90.8 368 05-31 21:35
Chapter 90.5 801 05-31 21:35
Chapter 90 825 05-31 21:34
Chapter 89 577 05-31 21:34
Chapter 88.5 293 05-31 21:34
Chapter 88 853 05-31 21:34
Chapter 87 568 05-31 21:33
Chapter 86.9 999 05-31 21:33
Chapter 86.5 980 05-31 21:33
Chapter 86 786 05-31 21:33
Chapter 85.5 470 05-31 21:33
Chapter 85 977 05-31 21:32
Chapter 84 1,071 05-31 21:32
Chapter 83.9 517 05-31 21:32
Chapter 83 584 05-31 21:32
Chapter 82.5 621 05-31 21:31
Chapter 82 865 05-31 21:31
Chapter 81.9 838 05-31 21:31
Chapter 81.5 224 05-31 21:31
Chapter 81 983 05-31 21:30
Chapter 80.8 399 05-31 21:30
Chapter 80.5 832 05-31 21:30
Chapter 80 272 05-31 21:30
Chapter 79 823 05-31 21:29
Chapter 78.9 655 05-31 21:29
Chapter 78.5 366 05-31 21:28
Chapter 78 770 05-31 21:28
Chapter 77 721 05-31 21:28
Chapter 76.9 330 05-31 21:28
Chapter 76.1 567 05-31 21:28
Chapter 76 977 05-31 21:27
Chapter 75.1 966 05-31 21:27
Chapter 75.0 537 05-31 21:27
Chapter 74.5 609 05-31 21:27
Chapter 74.1 955 05-31 21:26
Chapter 74 742 05-31 21:26
Chapter 73.1 819 05-31 21:26
Chapter 73 870 05-31 21:26
Chapter 72.9 369 05-31 21:26
Chapter 72 951 05-31 21:25
Chapter 71.5 335 05-31 21:25
Chapter 71 501 05-31 21:25
Chapter 70.9 1,041 05-31 21:25
Chapter 70.8 507 05-31 21:24
Chapter 70.7 555 05-31 21:24
Chapter 70.5 449 05-31 21:24
Chapter 70.1 807 05-31 21:24
Chapter 70.0 1,025 05-31 21:24
Chapter 69.5 246 05-31 21:23
Chapter 69.1 234 05-31 21:23
Chapter 69.0 782 05-31 21:23
Chapter 68.1 921 05-31 21:23
Chapter 68.0 671 05-31 21:22
Chapter 67 346 05-31 21:22
Chapter 66.5 261 05-31 21:22
Chapter 66 812 05-31 21:22
Chapter 65 868 05-31 21:22
Chapter 64.2 960 05-31 21:21
Chapter 64.1 894 05-31 21:21
Chapter 64.0 673 05-31 21:21
Chapter 63.5 558 05-31 21:21
Chapter 63 402 05-31 21:21
Chapter 62.5 215 05-31 21:20
Chapter 62.1 997 05-31 21:20
Chapter 62 785 05-31 21:20
Chapter 61 978 05-31 21:20
Chapter 60.5 848 05-31 21:19
Chapter 60 315 05-31 21:19
Chapter 59 972 05-31 21:18
Chapter 58.5 664 05-31 21:18
Chapter 58 635 05-31 21:18
Chapter 57 187 05-31 21:18
Chapter 56.5 1,019 05-31 21:17
Chapter 56 791 05-31 21:17
Chapter 55.1 360 05-31 21:17
Chapter 55.0 413 05-31 21:17
Chapter 54.9 246 05-31 21:16
Chapter 54.8 818 05-31 21:16
Chapter 54.7 992 05-31 21:16
Chapter 54.5 210 05-31 21:16
Chapter 54 275 05-31 21:16
Chapter 53.5 998 05-31 21:15
Chapter 53 240 05-31 21:15
Chapter 52 699 05-31 21:15
Chapter 51.5 389 05-31 21:15
Chapter 51 395 05-31 21:15
Chapter 50.7 168 05-31 21:14
Chapter 50.6 156 05-31 21:14
Chapter 50.5 929 05-31 21:14
Chapter 50 431 05-31 21:14
Chapter 49 314 05-31 21:13
Chapter 48.5 1,005 05-31 21:13
Chapter 48 964 05-31 21:13
Chapter 47.5 893 05-31 21:13
Chapter 47 958 05-31 21:13
Chapter 46.5 763 05-31 21:12
Chapter 46 659 05-31 21:12
Chapter 45.9 1,018 05-31 21:12
Chapter 45.7 421 05-31 21:12
Chapter 45 613 05-31 21:11
Chapter 44 470 05-31 21:11
Chapter 43.5 695 05-31 21:11
Chapter 43 566 05-31 21:11
Chapter 42.6 474 05-31 21:11
Chapter 42.5 515 05-31 21:10
Chapter 42 808 05-31 21:10
Chapter 41.8 403 05-31 21:10
Chapter 41.7 159 05-31 21:10
Chapter 41.6 801 05-31 21:09
Chapter 41.5 365 05-31 21:09
Chapter 41.3 165 05-31 21:09
Chapter 41.1 906 05-31 21:09
Chapter 41.0 561 05-31 21:09
Chapter 40.8 183 05-31 21:08
Chapter 40.6 607 05-31 21:08
Chapter 40.5 626 05-31 21:08
Chapter 40 254 05-31 21:08
Chapter 39.5 371 05-31 21:07
Chapter 39 631 05-31 21:07
Chapter 38.5 1,028 05-31 21:07
Chapter 38 791 05-31 21:07
Chapter 37.5 254 05-31 21:06
Chapter 37 294 05-31 21:06
Chapter 36.9 665 05-31 21:06
Chapter 36.5 180 05-31 21:06
Chapter 36 692 05-31 21:05
Chapter 35.6 341 05-31 21:05
Chapter 35.5 594 05-31 21:05
Chapter 35.4 503 05-31 21:05
Chapter 35 757 05-31 21:05
Chapter 34.5 905 05-31 21:04
Chapter 34 288 05-31 21:04
Chapter 33.5 645 05-31 21:04
Chapter 33 767 05-31 21:04
Chapter 32.5 599 05-31 21:03
Chapter 32 444 05-31 21:03
Chapter 31 872 05-31 21:03
Chapter 30.9 732 05-31 21:03
Chapter 30.8 723 05-31 21:02
Chapter 30.5 517 05-31 21:02
Chapter 30 834 05-31 21:02
Chapter 29 402 05-31 21:02
Chapter 28.2 384 05-31 21:01
Chapter 28.1 911 05-31 21:01
Chapter 28.0 797 05-31 21:01
Chapter 27.5 701 05-31 21:01
Chapter 27 607 05-31 21:00
Chapter 26 283 05-31 21:00
Chapter 25 547 05-31 21:00
Chapter 24.5 996 05-31 21:00
Chapter 24 457 05-31 20:59
Chapter 23 203 05-31 20:59
Chapter 22.5 939 05-31 20:59
Chapter 22 354 05-31 20:59
Chapter 21.5 864 05-31 20:59
Chapter 21 793 05-31 20:58
Chapter 20.9 474 05-31 20:58
Chapter 20.5 190 05-31 20:58
Chapter 20 1,020 05-31 20:58
Chapter 19.1 520 05-31 20:57
Chapter 19.0 653 05-31 20:57
Chapter 18.5 985 05-31 20:57
Chapter 18 324 05-31 20:57
Chapter 17 1,022 05-31 20:57
Chapter 16 925 05-31 20:56
Chapter 15.5 219 05-31 20:56
Chapter 15 912 05-31 20:56
Chapter 14 304 05-31 20:56
Chapter 13 640 05-31 20:56
Chapter 12.5 863 05-31 20:55
Chapter 12 823 05-31 20:55
Chapter 11.1 577 05-31 20:55
Chapter 11.0 579 05-31 20:55
Chapter 10.9 572 05-31 20:54
Chapter 10.5 717 05-31 20:54
Chapter 10 736 05-31 20:54
Chapter 9.5 495 05-31 20:54
Chapter 9 956 05-31 20:54
Chapter 8.5 715 05-31 20:53
Chapter 8 261 05-31 20:53
Chapter 7 970 05-31 20:53
Chapter 6.5 904 05-31 20:53
Chapter 6 762 05-31 20:52
Chapter 5.5 289 05-31 20:52
Chapter 5 335 05-31 20:52
Chapter 4 705 05-31 20:52
Chapter 3 671 05-31 20:52
Chapter 2 1,340 05-31 20:51
Chapter 1.5 1,248 05-31 20:51
Chapter 1.0 1,183 05-31 20:51
Chapter 0 447 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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