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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:

265,750

Rating:

5.00 / 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 : 265,750
  • Genres : Comedy , Slice of life , Gender bender , Doujinshi , Genderswap
  • Rating :
  •   manganato.gg rate : 5.00 / 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 105 997 10-25 00:01
Chapter 104 1,077 09-26 23:21
Chapter 103 782 08-30 00:53
Chapter 102.2 256 11-06 19:52
Chapter 102.1 159 11-06 19:51
Chapter 102 585 08-30 00:52
Chapter 101 1,525 06-28 00:27
Chapter 100.9 525 11-06 19:51
Chapter 100 1,503 05-31 21:39
Chapter 99.5 298 08-30 00:52
Chapter 99 1,195 05-31 21:38
Chapter 98.5 889 08-30 00:52
Chapter 98 398 05-31 21:38
Chapter 97 682 05-31 21:38
Chapter 96 869 05-31 21:38
Chapter 95.9 445 05-31 21:37
Chapter 95.5 972 05-31 21:37
Chapter 95 509 05-31 21:37
Chapter 94 884 05-31 21:37
Chapter 93.5 537 05-31 21:36
Chapter 93 710 05-31 21:36
Chapter 92.5 856 05-31 21:36
Chapter 92 527 05-31 21:36
Chapter 91.5 511 05-31 21:36
Chapter 91 557 05-31 21:35
Chapter 90.9 1,015 05-31 21:35
Chapter 90.8 383 05-31 21:35
Chapter 90.5 815 05-31 21:35
Chapter 90 839 05-31 21:34
Chapter 89 593 05-31 21:34
Chapter 88.5 298 05-31 21:34
Chapter 88 870 05-31 21:34
Chapter 87 587 05-31 21:33
Chapter 86.9 1,012 05-31 21:33
Chapter 86.5 987 05-31 21:33
Chapter 86 803 05-31 21:33
Chapter 85.5 484 05-31 21:33
Chapter 85 995 05-31 21:32
Chapter 84 1,086 05-31 21:32
Chapter 83.9 525 05-31 21:32
Chapter 83 596 05-31 21:32
Chapter 82.5 629 05-31 21:31
Chapter 82 875 05-31 21:31
Chapter 81.9 846 05-31 21:31
Chapter 81.5 234 05-31 21:31
Chapter 81 995 05-31 21:30
Chapter 80.8 407 05-31 21:30
Chapter 80.5 839 05-31 21:30
Chapter 80 285 05-31 21:30
Chapter 79 832 05-31 21:29
Chapter 78.9 664 05-31 21:29
Chapter 78.5 376 05-31 21:28
Chapter 78 779 05-31 21:28
Chapter 77 730 05-31 21:28
Chapter 76.9 336 05-31 21:28
Chapter 76.1 577 05-31 21:28
Chapter 76 987 05-31 21:27
Chapter 75.1 975 05-31 21:27
Chapter 75.0 541 05-31 21:27
Chapter 74.5 617 05-31 21:27
Chapter 74.1 961 05-31 21:26
Chapter 74 753 05-31 21:26
Chapter 73.5 834 11-06 19:51
Chapter 73.1 823 05-31 21:26
Chapter 73 880 05-31 21:26
Chapter 72.9 380 05-31 21:26
Chapter 72 963 05-31 21:25
Chapter 71.5 345 05-31 21:25
Chapter 71 512 05-31 21:25
Chapter 70.9 1,045 05-31 21:25
Chapter 70.8 515 05-31 21:24
Chapter 70.7 563 05-31 21:24
Chapter 70.5 456 05-31 21:24
Chapter 70.1 814 05-31 21:24
Chapter 70.0 1,031 05-31 21:24
Chapter 69.5 254 05-31 21:23
Chapter 69.1 243 05-31 21:23
Chapter 69.0 787 05-31 21:23
Chapter 68.1 928 05-31 21:23
Chapter 68.0 677 05-31 21:22
Chapter 67 355 05-31 21:22
Chapter 66.5 270 05-31 21:22
Chapter 66 823 05-31 21:22
Chapter 65 877 05-31 21:22
Chapter 64.2 967 05-31 21:21
Chapter 64.1 902 05-31 21:21
Chapter 64.0 680 05-31 21:21
Chapter 63.5 564 05-31 21:21
Chapter 63 411 05-31 21:21
Chapter 62.5 221 05-31 21:20
Chapter 62.1 998 05-31 21:20
Chapter 62 793 05-31 21:20
Chapter 61 1,003 05-31 21:20
Chapter 60.5 854 05-31 21:19
Chapter 60 327 05-31 21:19
Chapter 59 981 05-31 21:18
Chapter 58.5 672 05-31 21:18
Chapter 58 644 05-31 21:18
Chapter 57 196 05-31 21:18
Chapter 56.5 1,029 05-31 21:17
Chapter 56 802 05-31 21:17
Chapter 55.1 370 05-31 21:17
Chapter 55.0 421 05-31 21:17
Chapter 54.9 248 05-31 21:16
Chapter 54.8 820 05-31 21:16
Chapter 54.7 1,001 05-31 21:16
Chapter 54.5 220 05-31 21:16
Chapter 54 285 05-31 21:16
Chapter 53.5 1,006 05-31 21:15
Chapter 53 254 05-31 21:15
Chapter 52 711 05-31 21:15
Chapter 51.5 398 05-31 21:15
Chapter 51 404 05-31 21:15
Chapter 50.7 174 05-31 21:14
Chapter 50.6 166 05-31 21:14
Chapter 50.5 937 05-31 21:14
Chapter 50 442 05-31 21:14
Chapter 49 326 05-31 21:13
Chapter 48.5 1,012 05-31 21:13
Chapter 48 978 05-31 21:13
Chapter 47.5 901 05-31 21:13
Chapter 47 970 05-31 21:13
Chapter 46.5 769 05-31 21:12
Chapter 46 669 05-31 21:12
Chapter 45.9 1,027 05-31 21:12
Chapter 45.7 431 05-31 21:12
Chapter 45 624 05-31 21:11
Chapter 44 481 05-31 21:11
Chapter 43.5 702 05-31 21:11
Chapter 43 573 05-31 21:11
Chapter 42.6 482 05-31 21:11
Chapter 42.5 522 05-31 21:10
Chapter 42 816 05-31 21:10
Chapter 41.8 407 05-31 21:10
Chapter 41.7 166 05-31 21:10
Chapter 41.6 803 05-31 21:09
Chapter 41.5 366 05-31 21:09
Chapter 41.3 170 05-31 21:09
Chapter 41.1 918 05-31 21:09
Chapter 41.0 567 05-31 21:09
Chapter 40.8 189 05-31 21:08
Chapter 40.6 611 05-31 21:08
Chapter 40.5 629 05-31 21:08
Chapter 40 263 05-31 21:08
Chapter 39.5 378 05-31 21:07
Chapter 39 642 05-31 21:07
Chapter 38.5 1,030 05-31 21:07
Chapter 38 800 05-31 21:07
Chapter 37.5 259 05-31 21:06
Chapter 37 309 05-31 21:06
Chapter 36.9 668 05-31 21:06
Chapter 36.5 184 05-31 21:06
Chapter 36 700 05-31 21:05
Chapter 35.6 343 05-31 21:05
Chapter 35.5 602 05-31 21:05
Chapter 35.4 508 05-31 21:05
Chapter 35 763 05-31 21:05
Chapter 34.5 912 05-31 21:04
Chapter 34 297 05-31 21:04
Chapter 33.5 650 05-31 21:04
Chapter 33 774 05-31 21:04
Chapter 32.5 604 05-31 21:03
Chapter 32 452 05-31 21:03
Chapter 31 878 05-31 21:03
Chapter 30.9 736 05-31 21:03
Chapter 30.8 731 05-31 21:02
Chapter 30.5 524 05-31 21:02
Chapter 30 843 05-31 21:02
Chapter 29 408 05-31 21:02
Chapter 28.2 388 05-31 21:01
Chapter 28.1 919 05-31 21:01
Chapter 28.0 806 05-31 21:01
Chapter 27.5 708 05-31 21:01
Chapter 27 618 05-31 21:00
Chapter 26 290 05-31 21:00
Chapter 25 554 05-31 21:00
Chapter 24.5 1,004 05-31 21:00
Chapter 24 469 05-31 20:59
Chapter 23 211 05-31 20:59
Chapter 22.5 945 05-31 20:59
Chapter 22 368 05-31 20:59
Chapter 21.5 871 05-31 20:59
Chapter 21 807 05-31 20:58
Chapter 20.9 480 05-31 20:58
Chapter 20.5 206 05-31 20:58
Chapter 20 1,031 05-31 20:58
Chapter 19.1 532 05-31 20:57
Chapter 19.0 666 05-31 20:57
Chapter 18.5 999 05-31 20:57
Chapter 18 341 05-31 20:57
Chapter 17 1,039 05-31 20:57
Chapter 16 938 05-31 20:56
Chapter 15.5 230 05-31 20:56
Chapter 15 925 05-31 20:56
Chapter 14 319 05-31 20:56
Chapter 13 656 05-31 20:56
Chapter 12.5 875 05-31 20:55
Chapter 12 837 05-31 20:55
Chapter 11.1 592 05-31 20:55
Chapter 11.0 590 05-31 20:55
Chapter 10.9 582 05-31 20:54
Chapter 10.5 733 05-31 20:54
Chapter 10 753 05-31 20:54
Chapter 9.5 509 05-31 20:54
Chapter 9 978 05-31 20:54
Chapter 8.5 727 05-31 20:53
Chapter 8 287 05-31 20:53
Chapter 7 995 05-31 20:53
Chapter 6.5 924 05-31 20:53
Chapter 6 793 05-31 20:52
Chapter 5.5 312 05-31 20:52
Chapter 5 376 05-31 20:52
Chapter 4 749 05-31 20:52
Chapter 3 743 05-31 20:52
Chapter 2 1,456 05-31 20:51
Chapter 1.5 1,325 05-31 20:51
Chapter 1.0 1,230 05-31 20:51
Chapter 0 505 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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