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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:

263,616

Rating:

5 / 5 - 58 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 : 263,616
  • Genres : Comedy , Slice of life , Gender bender , Doujinshi , Genderswap
  • Rating :
  •   manganato.gg rate : 5 / 5 - 58 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 105 828 10-25 00:01
Chapter 104 1,038 09-26 23:21
Chapter 103 758 08-30 00:53
Chapter 102.2 237 11-06 19:52
Chapter 102.1 143 11-06 19:51
Chapter 102 568 08-30 00:52
Chapter 101 1,504 06-28 00:27
Chapter 100.9 512 11-06 19:51
Chapter 100 1,482 05-31 21:39
Chapter 99.5 288 08-30 00:52
Chapter 99 1,182 05-31 21:38
Chapter 98.5 881 08-30 00:52
Chapter 98 384 05-31 21:38
Chapter 97 668 05-31 21:38
Chapter 96 857 05-31 21:38
Chapter 95.9 439 05-31 21:37
Chapter 95.5 962 05-31 21:37
Chapter 95 498 05-31 21:37
Chapter 94 872 05-31 21:37
Chapter 93.5 526 05-31 21:36
Chapter 93 698 05-31 21:36
Chapter 92.5 848 05-31 21:36
Chapter 92 513 05-31 21:36
Chapter 91.5 502 05-31 21:36
Chapter 91 545 05-31 21:35
Chapter 90.9 1,005 05-31 21:35
Chapter 90.8 371 05-31 21:35
Chapter 90.5 805 05-31 21:35
Chapter 90 830 05-31 21:34
Chapter 89 582 05-31 21:34
Chapter 88.5 295 05-31 21:34
Chapter 88 857 05-31 21:34
Chapter 87 572 05-31 21:33
Chapter 86.9 1,002 05-31 21:33
Chapter 86.5 981 05-31 21:33
Chapter 86 790 05-31 21:33
Chapter 85.5 473 05-31 21:33
Chapter 85 981 05-31 21:32
Chapter 84 1,075 05-31 21:32
Chapter 83.9 518 05-31 21:32
Chapter 83 588 05-31 21:32
Chapter 82.5 624 05-31 21:31
Chapter 82 869 05-31 21:31
Chapter 81.9 841 05-31 21:31
Chapter 81.5 228 05-31 21:31
Chapter 81 986 05-31 21:30
Chapter 80.8 403 05-31 21:30
Chapter 80.5 834 05-31 21:30
Chapter 80 275 05-31 21:30
Chapter 79 825 05-31 21:29
Chapter 78.9 658 05-31 21:29
Chapter 78.5 370 05-31 21:28
Chapter 78 774 05-31 21:28
Chapter 77 724 05-31 21:28
Chapter 76.9 332 05-31 21:28
Chapter 76.1 569 05-31 21:28
Chapter 76 980 05-31 21:27
Chapter 75.1 968 05-31 21:27
Chapter 75.0 537 05-31 21:27
Chapter 74.5 610 05-31 21:27
Chapter 74.1 957 05-31 21:26
Chapter 74 746 05-31 21:26
Chapter 73.5 829 11-06 19:51
Chapter 73.1 821 05-31 21:26
Chapter 73 874 05-31 21:26
Chapter 72.9 373 05-31 21:26
Chapter 72 954 05-31 21:25
Chapter 71.5 338 05-31 21:25
Chapter 71 505 05-31 21:25
Chapter 70.9 1,041 05-31 21:25
Chapter 70.8 511 05-31 21:24
Chapter 70.7 557 05-31 21:24
Chapter 70.5 451 05-31 21:24
Chapter 70.1 809 05-31 21:24
Chapter 70.0 1,027 05-31 21:24
Chapter 69.5 248 05-31 21:23
Chapter 69.1 237 05-31 21:23
Chapter 69.0 783 05-31 21:23
Chapter 68.1 923 05-31 21:23
Chapter 68.0 672 05-31 21:22
Chapter 67 348 05-31 21:22
Chapter 66.5 263 05-31 21:22
Chapter 66 815 05-31 21:22
Chapter 65 870 05-31 21:22
Chapter 64.2 962 05-31 21:21
Chapter 64.1 895 05-31 21:21
Chapter 64.0 674 05-31 21:21
Chapter 63.5 560 05-31 21:21
Chapter 63 404 05-31 21:21
Chapter 62.5 217 05-31 21:20
Chapter 62.1 997 05-31 21:20
Chapter 62 788 05-31 21:20
Chapter 61 984 05-31 21:20
Chapter 60.5 850 05-31 21:19
Chapter 60 320 05-31 21:19
Chapter 59 976 05-31 21:18
Chapter 58.5 667 05-31 21:18
Chapter 58 639 05-31 21:18
Chapter 57 190 05-31 21:18
Chapter 56.5 1,022 05-31 21:17
Chapter 56 795 05-31 21:17
Chapter 55.1 364 05-31 21:17
Chapter 55.0 416 05-31 21:17
Chapter 54.9 248 05-31 21:16
Chapter 54.8 818 05-31 21:16
Chapter 54.7 996 05-31 21:16
Chapter 54.5 214 05-31 21:16
Chapter 54 278 05-31 21:16
Chapter 53.5 1,001 05-31 21:15
Chapter 53 244 05-31 21:15
Chapter 52 703 05-31 21:15
Chapter 51.5 393 05-31 21:15
Chapter 51 397 05-31 21:15
Chapter 50.7 171 05-31 21:14
Chapter 50.6 160 05-31 21:14
Chapter 50.5 932 05-31 21:14
Chapter 50 435 05-31 21:14
Chapter 49 318 05-31 21:13
Chapter 48.5 1,007 05-31 21:13
Chapter 48 968 05-31 21:13
Chapter 47.5 896 05-31 21:13
Chapter 47 962 05-31 21:13
Chapter 46.5 764 05-31 21:12
Chapter 46 662 05-31 21:12
Chapter 45.9 1,021 05-31 21:12
Chapter 45.7 424 05-31 21:12
Chapter 45 616 05-31 21:11
Chapter 44 473 05-31 21:11
Chapter 43.5 697 05-31 21:11
Chapter 43 568 05-31 21:11
Chapter 42.6 476 05-31 21:11
Chapter 42.5 517 05-31 21:10
Chapter 42 810 05-31 21:10
Chapter 41.8 404 05-31 21:10
Chapter 41.7 161 05-31 21:10
Chapter 41.6 802 05-31 21:09
Chapter 41.5 366 05-31 21:09
Chapter 41.3 168 05-31 21:09
Chapter 41.1 909 05-31 21:09
Chapter 41.0 565 05-31 21:09
Chapter 40.8 186 05-31 21:08
Chapter 40.6 610 05-31 21:08
Chapter 40.5 628 05-31 21:08
Chapter 40 257 05-31 21:08
Chapter 39.5 374 05-31 21:07
Chapter 39 633 05-31 21:07
Chapter 38.5 1,028 05-31 21:07
Chapter 38 793 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 35.4 504 05-31 21:05
Chapter 35 758 05-31 21:05
Chapter 34.5 906 05-31 21:04
Chapter 34 290 05-31 21:04
Chapter 33.5 645 05-31 21:04
Chapter 33 768 05-31 21:04
Chapter 32.5 599 05-31 21:03
Chapter 32 445 05-31 21:03
Chapter 31 873 05-31 21:03
Chapter 30.9 732 05-31 21:03
Chapter 30.8 724 05-31 21:02
Chapter 30.5 518 05-31 21:02
Chapter 30 836 05-31 21:02
Chapter 29 403 05-31 21:02
Chapter 28.2 385 05-31 21:01
Chapter 28.1 913 05-31 21:01
Chapter 28.0 799 05-31 21:01
Chapter 27.5 702 05-31 21:01
Chapter 27 608 05-31 21:00
Chapter 26 284 05-31 21:00
Chapter 25 548 05-31 21:00
Chapter 24.5 997 05-31 21:00
Chapter 24 461 05-31 20:59
Chapter 23 204 05-31 20:59
Chapter 22.5 939 05-31 20:59
Chapter 22 356 05-31 20:59
Chapter 21.5 865 05-31 20:59
Chapter 21 795 05-31 20:58
Chapter 20.9 475 05-31 20:58
Chapter 20.5 198 05-31 20:58
Chapter 20 1,021 05-31 20:58
Chapter 19.1 522 05-31 20:57
Chapter 19.0 655 05-31 20:57
Chapter 18.5 990 05-31 20:57
Chapter 18 328 05-31 20:57
Chapter 17 1,027 05-31 20:57
Chapter 16 928 05-31 20:56
Chapter 15.5 222 05-31 20:56
Chapter 15 915 05-31 20:56
Chapter 14 307 05-31 20:56
Chapter 13 645 05-31 20:56
Chapter 12.5 865 05-31 20:55
Chapter 12 826 05-31 20:55
Chapter 11.1 580 05-31 20:55
Chapter 11.0 581 05-31 20:55
Chapter 10.9 575 05-31 20:54
Chapter 10.5 720 05-31 20:54
Chapter 10 739 05-31 20:54
Chapter 9.5 497 05-31 20:54
Chapter 9 960 05-31 20:54
Chapter 8.5 718 05-31 20:53
Chapter 8 268 05-31 20:53
Chapter 7 975 05-31 20:53
Chapter 6.5 908 05-31 20:53
Chapter 6 769 05-31 20:52
Chapter 5.5 295 05-31 20:52
Chapter 5 343 05-31 20:52
Chapter 4 717 05-31 20:52
Chapter 3 691 05-31 20:52
Chapter 2 1,385 05-31 20:51
Chapter 1.5 1,284 05-31 20:51
Chapter 1.0 1,204 05-31 20:51
Chapter 0 474 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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