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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:

265,319

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 : 265,319
  • Genres : Comedy , Slice of life , Gender bender , Doujinshi , Genderswap
  • Rating :
  •   mangakakalot.fan rate : 5.00 / 5 - 58 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 105 967 10-25 00:01
Chapter 104 1,069 09-26 23:21
Chapter 103 776 08-30 00:53
Chapter 102.2 248 11-06 19:52
Chapter 102.1 153 11-06 19:51
Chapter 102 580 08-30 00:52
Chapter 101 1,517 06-28 00:27
Chapter 100.9 519 11-06 19:51
Chapter 100 1,497 05-31 21:39
Chapter 99.5 294 08-30 00:52
Chapter 99 1,191 05-31 21:38
Chapter 98.5 886 08-30 00:52
Chapter 98 393 05-31 21:38
Chapter 97 676 05-31 21:38
Chapter 96 864 05-31 21:38
Chapter 95.9 443 05-31 21:37
Chapter 95.5 969 05-31 21:37
Chapter 95 505 05-31 21:37
Chapter 94 880 05-31 21:37
Chapter 93.5 534 05-31 21:36
Chapter 93 706 05-31 21:36
Chapter 92.5 855 05-31 21:36
Chapter 92 524 05-31 21:36
Chapter 91.5 508 05-31 21:36
Chapter 91 555 05-31 21:35
Chapter 90.9 1,014 05-31 21:35
Chapter 90.8 380 05-31 21:35
Chapter 90.5 812 05-31 21:35
Chapter 90 837 05-31 21:34
Chapter 89 590 05-31 21:34
Chapter 88.5 297 05-31 21:34
Chapter 88 867 05-31 21:34
Chapter 87 584 05-31 21:33
Chapter 86.9 1,010 05-31 21:33
Chapter 86.5 986 05-31 21:33
Chapter 86 799 05-31 21:33
Chapter 85.5 482 05-31 21:33
Chapter 85 993 05-31 21:32
Chapter 84 1,084 05-31 21:32
Chapter 83.9 524 05-31 21:32
Chapter 83 594 05-31 21:32
Chapter 82.5 628 05-31 21:31
Chapter 82 874 05-31 21:31
Chapter 81.9 845 05-31 21:31
Chapter 81.5 233 05-31 21:31
Chapter 81 992 05-31 21:30
Chapter 80.8 407 05-31 21:30
Chapter 80.5 838 05-31 21:30
Chapter 80 283 05-31 21:30
Chapter 79 830 05-31 21:29
Chapter 78.9 662 05-31 21:29
Chapter 78.5 375 05-31 21:28
Chapter 78 778 05-31 21:28
Chapter 77 728 05-31 21:28
Chapter 76.9 335 05-31 21:28
Chapter 76.1 576 05-31 21:28
Chapter 76 985 05-31 21:27
Chapter 75.1 973 05-31 21:27
Chapter 75.0 540 05-31 21:27
Chapter 74.5 616 05-31 21:27
Chapter 74.1 960 05-31 21:26
Chapter 74 752 05-31 21:26
Chapter 73.5 834 11-06 19:51
Chapter 73.1 823 05-31 21:26
Chapter 73 879 05-31 21:26
Chapter 72.9 379 05-31 21:26
Chapter 72 961 05-31 21:25
Chapter 71.5 344 05-31 21:25
Chapter 71 511 05-31 21:25
Chapter 70.9 1,045 05-31 21:25
Chapter 70.8 514 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 69.5 253 05-31 21:23
Chapter 69.1 242 05-31 21:23
Chapter 69.0 787 05-31 21:23
Chapter 68.1 927 05-31 21:23
Chapter 68.0 676 05-31 21:22
Chapter 67 353 05-31 21:22
Chapter 66.5 267 05-31 21:22
Chapter 66 821 05-31 21:22
Chapter 65 875 05-31 21:22
Chapter 64.2 965 05-31 21:21
Chapter 64.1 900 05-31 21:21
Chapter 64.0 679 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 62 792 05-31 21:20
Chapter 61 995 05-31 21:20
Chapter 60.5 854 05-31 21:19
Chapter 60 327 05-31 21:19
Chapter 59 980 05-31 21:18
Chapter 58.5 671 05-31 21:18
Chapter 58 643 05-31 21:18
Chapter 57 195 05-31 21:18
Chapter 56.5 1,027 05-31 21:17
Chapter 56 800 05-31 21:17
Chapter 55.1 368 05-31 21:17
Chapter 55.0 420 05-31 21:17
Chapter 54.9 248 05-31 21:16
Chapter 54.8 820 05-31 21:16
Chapter 54.7 1,000 05-31 21:16
Chapter 54.5 218 05-31 21:16
Chapter 54 283 05-31 21:16
Chapter 53.5 1,005 05-31 21:15
Chapter 53 252 05-31 21:15
Chapter 52 710 05-31 21:15
Chapter 51.5 397 05-31 21:15
Chapter 51 403 05-31 21:15
Chapter 50.7 174 05-31 21:14
Chapter 50.6 165 05-31 21:14
Chapter 50.5 936 05-31 21:14
Chapter 50 441 05-31 21:14
Chapter 49 325 05-31 21:13
Chapter 48.5 1,011 05-31 21:13
Chapter 48 976 05-31 21:13
Chapter 47.5 900 05-31 21:13
Chapter 47 969 05-31 21:13
Chapter 46.5 768 05-31 21:12
Chapter 46 668 05-31 21:12
Chapter 45.9 1,026 05-31 21:12
Chapter 45.7 430 05-31 21:12
Chapter 45 623 05-31 21:11
Chapter 44 479 05-31 21:11
Chapter 43.5 701 05-31 21:11
Chapter 43 572 05-31 21:11
Chapter 42.6 480 05-31 21:11
Chapter 42.5 521 05-31 21:10
Chapter 42 815 05-31 21:10
Chapter 41.8 406 05-31 21:10
Chapter 41.7 165 05-31 21:10
Chapter 41.6 802 05-31 21:09
Chapter 41.5 366 05-31 21:09
Chapter 41.3 170 05-31 21:09
Chapter 41.1 917 05-31 21:09
Chapter 41.0 567 05-31 21:09
Chapter 40.8 188 05-31 21:08
Chapter 40.6 610 05-31 21:08
Chapter 40.5 629 05-31 21:08
Chapter 40 262 05-31 21:08
Chapter 39.5 377 05-31 21:07
Chapter 39 640 05-31 21:07
Chapter 38.5 1,030 05-31 21:07
Chapter 38 799 05-31 21:07
Chapter 37.5 258 05-31 21:06
Chapter 37 305 05-31 21:06
Chapter 36.9 667 05-31 21:06
Chapter 36.5 183 05-31 21:06
Chapter 36 698 05-31 21:05
Chapter 35.6 342 05-31 21:05
Chapter 35.5 599 05-31 21:05
Chapter 35.4 507 05-31 21:05
Chapter 35 762 05-31 21:05
Chapter 34.5 910 05-31 21:04
Chapter 34 295 05-31 21:04
Chapter 33.5 649 05-31 21:04
Chapter 33 773 05-31 21:04
Chapter 32.5 604 05-31 21:03
Chapter 32 451 05-31 21:03
Chapter 31 877 05-31 21:03
Chapter 30.9 736 05-31 21:03
Chapter 30.8 729 05-31 21:02
Chapter 30.5 523 05-31 21:02
Chapter 30 842 05-31 21:02
Chapter 29 407 05-31 21:02
Chapter 28.2 387 05-31 21:01
Chapter 28.1 917 05-31 21:01
Chapter 28.0 804 05-31 21:01
Chapter 27.5 707 05-31 21:01
Chapter 27 616 05-31 21:00
Chapter 26 289 05-31 21:00
Chapter 25 553 05-31 21:00
Chapter 24.5 1,003 05-31 21:00
Chapter 24 468 05-31 20:59
Chapter 23 210 05-31 20:59
Chapter 22.5 944 05-31 20:59
Chapter 22 366 05-31 20:59
Chapter 21.5 869 05-31 20:59
Chapter 21 804 05-31 20:58
Chapter 20.9 480 05-31 20:58
Chapter 20.5 205 05-31 20:58
Chapter 20 1,030 05-31 20:58
Chapter 19.1 530 05-31 20:57
Chapter 19.0 665 05-31 20:57
Chapter 18.5 997 05-31 20:57
Chapter 18 339 05-31 20:57
Chapter 17 1,037 05-31 20:57
Chapter 16 937 05-31 20:56
Chapter 15.5 229 05-31 20:56
Chapter 15 924 05-31 20:56
Chapter 14 316 05-31 20:56
Chapter 13 654 05-31 20:56
Chapter 12.5 873 05-31 20:55
Chapter 12 835 05-31 20:55
Chapter 11.1 591 05-31 20:55
Chapter 11.0 589 05-31 20:55
Chapter 10.9 581 05-31 20:54
Chapter 10.5 732 05-31 20:54
Chapter 10 752 05-31 20:54
Chapter 9.5 508 05-31 20:54
Chapter 9 976 05-31 20:54
Chapter 8.5 726 05-31 20:53
Chapter 8 286 05-31 20:53
Chapter 7 993 05-31 20:53
Chapter 6.5 922 05-31 20:53
Chapter 6 791 05-31 20:52
Chapter 5.5 309 05-31 20:52
Chapter 5 373 05-31 20:52
Chapter 4 745 05-31 20:52
Chapter 3 739 05-31 20:52
Chapter 2 1,443 05-31 20:51
Chapter 1.5 1,317 05-31 20:51
Chapter 1.0 1,223 05-31 20:51
Chapter 0 495 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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