Onii-chan Is Done For!

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Alternative

お兄ちゃんはおしまい ; Onii-chan wa Oshimai

Genre(s)

Comedy, Gender Bender, Manga, Sci fi, Slice of life

Type

Author: Nekotoufu

Status

OnGoing

Comments

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Summary

Mahiro Oyama was just a normal erotic-game loving dude…until he woke up one morning as a woman! Turns out his mad-scientist little sister, Mihari, tried out one of her new experiments on him…with a disastrous outcome, as far as Mahiro’s concerned! But Mihari is as determined to study him as he is determined to go back to his shut-in, game-playing life, and one thing’s for sure…life is going to get a whole lot weirder from here on out!

LATEST MANGA RELEASES

Chapter 93 - Mahiro and a Special Treat 10/25/2024
Chapter 92 - Mahiro and a Maiden's Secret 09/27/2024
Chapter 91 - Mahiro and Marriage 08/30/2024
Chapter 90.9 - Volume 9 Special Edition Extras 10/18/2024
Chapter 90.8 - Mahiro and Mama (Revisited) 10/18/2024
Chapter 90.5 08/16/2024
Chapter 90 - Mahiro and Celebrating Success 07/27/2024
Chapter 89 - Mahiro and a Home Visit 06/28/2024
Chapter 88.5 08/16/2024
Chapter 88 - Mahiro and Romantic Antics 05/24/2024
Chapter 87 - Mahiro and Special Techniques 04/26/2024
Chapter 86.9 - Minato-kun is Done For? 1.5 04/10/2024
Chapter 86.5 - Special: Asahi's Birthday 09/20/2024
Chapter 86 - Mahiro and Overflowing Maternal Instincts 03/29/2024
Chapter 85.5 06/03/2024
Chapter 85 - Mahiro and a Stressful Reunion (Part 2) 02/23/2024
Chapter 84 - Mahiro and a Stressful Reunion (Part 1) 02/23/2024
Chapter 83.9 01/06/2024
Chapter 83 12/31/2023
Chapter 82.5 03/01/2024
Chapter 82 11/24/2023
Chapter 81.9 11/10/2023
Chapter 81.5 - Chapter 81.5 02/23/2024
Chapter 81 10/27/2023
Chapter 80.8 - Mahiro and the Growing Gal Gang + Volume 8 Extras 02/23/2024
Chapter 80.5 07/01/2024
Chapter 80 09/29/2023
Chapter 79 08/25/2023
Chapter 78.9 08/15/2023
Chapter 78.5 08/13/2023
Chapter 78 07/28/2023
Chapter 77 06/23/2023
Chapter 76.9 06/04/2023
Chapter 76.1 - Blu-Ray Box Volume 2 Add-in Comic 02/23/2024
Chapter 76 05/26/2023
Chapter 75 04/29/2023
Chapter 74.99 - Mihari's Birthday Venue 04/21/2023
Chapter 74.5 - Everyone and the Blackout 02/23/2024
Chapter 74.1 04/20/2023
Chapter 74 03/24/2023
Chapter 73.1 - Mahiro-chan's Birthday Venue (2023) 02/23/2024
Chapter 73 03/20/2023
Chapter 72.9 - The Boys Are Done For Too! + Omnibus 22-23-24 Extras 08/14/2024
Chapter 72 02/20/2023
Chapter 71.5 - Mahiro and the Magazine Model 02/23/2024
Chapter 71 01/18/2023
Chapter 70.9 - Volume 7 Special Booklet 02/23/2024
Chapter 70.8 - Volume 7 Extras 02/23/2024
Chapter 70.7 - Mahiro and a Discussion on Cosplay 02/23/2024
Chapter 70.5 02/23/2024
Chapter 70 12/13/2022
Chapter 69.99 - Nayutan's Birthday Venue 02/23/2024
Chapter 69.5 02/23/2024
Chapter 69 11/14/2022
Chapter 68.99 - Momiji Birthday Venue 02/23/2024
Chapter 68 10/19/2022
Chapter 67.99 - Kaede-chan's birthday venue 02/23/2024
Chapter 67 09/11/2022
Chapter 66.5 02/23/2024
Chapter 66 - chapter 66 08/03/2022
Chapter 65 06/29/2022
Chapter 64.1 06/28/2022
Chapter 64 06/28/2022
Chapter 63.99 - Omnibus 19-20-21 Extras 02/23/2024
Chapter 63.5 02/23/2024
Chapter 63 04/30/2022
Chapter 62.5 02/23/2024
Chapter 62.1 - Mihari-chan's Birthday Venue 02/23/2024
Chapter 62 03/27/2022
Chapter 61 - Mahiro And Summer Festival 02/28/2022
Chapter 60.5 02/23/2024
Chapter 60 - Mahiro And Summer Homework 02/12/2022
Chapter 59 02/15/2022
Chapter 58.5 02/23/2024
Chapter 58 - Mahiro And The Marine Ranger (Part 2) 11/27/2021
Chapter 57 - Mahiro And The Marine Ranger (Part 1) 10/31/2021
Chapter 56.5 02/23/2024
Chapter 56 - Mahiro And The Battle Plan Meeting 10/31/2021
Chapter 55 - Mahiro and a Summer Adventure 08/30/2021
Chapter 54.9 - Omnibus 16-17-18 Extras 02/23/2024
Chapter 54.7 - Mahiro and Harems 02/23/2024
Chapter 54.5 02/23/2024
Chapter 54 - Mahiro and School Ghost Stories 07/26/2021
Chapter 53.5 - Boys and Girls 08/30/2021
Chapter 53 06/27/2021
Chapter 52 06/27/2021
Chapter 51.5 02/23/2024
Chapter 51 04/25/2021
Chapter 50.7 02/23/2024
Chapter 50.6 02/23/2024
Chapter 50.5 04/18/2021
Chapter 50 04/07/2021
Chapter 49 - Mahiro and Swim Classes (Part 1) 02/24/2021
Chapter 48.5 02/23/2024
Chapter 48 - Mahiro and Class Observation 10/13/2023
Chapter 47.5 02/23/2024
Chapter 47 - Mahiro and the Sunny Girl 10/13/2023
Chapter 46.5 - Mihari and Memories of Stickers 08/30/2021
Chapter 46 - Mahiro and Sticker Collecting 11/28/2020
Chapter 45.9 - Omnibus 13-14-15 Extras 02/23/2024
Chapter 45.7 - Mahiro and Visible Undergarments 02/23/2024
Chapter 45 - Mahiro and the Season for New Clothes 11/09/2020
Chapter 44 - Mahiro and the Secret BBQ 11/09/2020
Chapter 43.5 08/30/2021
Chapter 43 - Mahiro and Fragrances 11/09/2020
Chapter 42.6 - EX3 Special - Mahiro and a Hair's Breadth from Danger! 11/09/2020
Chapter 42.5 - [TEMP 1]41.3+41.8 & 42.4 & Mini Extra (2 of 10) 11/09/2020
Chapter 42 - Mahiro and the Gift of Memories 11/09/2020
Chapter 41.7 02/23/2024
Chapter 41.3 02/23/2024
Chapter 41 - Mahiro and the Physical Examination 11/09/2020
Chapter 40.99 - Bonus Illustration 08/30/2021
Chapter 40.8 - Mihari and Skipping Grades 08/30/2021
Chapter 40.6 - Mini Extras [Complete] 08/30/2021
Chapter 40.5 - Mahiro and Barefoot 08/30/2021
Chapter 40 - Mahiro and an Important Secret (Part 2) 11/09/2020
Chapter 39.5 - [TEMP 3]37.5 & 38.5 & Mini Extra (9 of 10) 11/09/2020
Chapter 39 - Mahiro and an Important Secret 11/09/2020
Chapter 38.5 - Momiji and Massages 08/30/2021
Chapter 38 - Mahiro and an Appreciated Break 11/09/2020
Chapter 37.5 - [TEMP 2]34.5 & 36.5 & Mini Extra (6 of 10) 11/09/2020
Chapter 37 - Mahiro and a Girl's Mannerisms 11/09/2020
Chapter 36.9 - Mahiro's Weekday Routine + Omnibus 10-11-12 Extras 02/23/2024
Chapter 36.5 - Mahiro and a Present 08/30/2021
Chapter 36 11/09/2020
Chapter 35.6 - EX2 Special - I am Mahiro and I am Mihari 08/30/2021
Chapter 35.5 11/09/2020
Chapter 35.4 11/09/2020
Chapter 35 11/09/2020
Chapter 34.5 08/30/2021
Chapter 34 - Mahiro and the Adult's Door 11/09/2020
Chapter 33.5 - Mahiro and Handmade 08/30/2021
Chapter 33 - Mahiro and Valentine's 11/09/2020
Chapter 32.5 - Mahiro and Drinks 08/30/2021
Chapter 32 - Vol.04 Ch.032 11/09/2020
Chapter 31 - Mahiro and Charming Bare Legs 11/09/2020
Chapter 30.9 11/09/2020
Chapter 30.8 - Asahi and Momiji 11/09/2020
Chapter 30.5 - Mahiro and Hot Kiss 11/09/2020
Chapter 30 - Vol. 3 Ch. 30 - Mahiro and the Coming and Going Year 11/09/2020
Chapter 29 - Vol. 3 Ch. 29 - Mahiro and a Double Date 11/09/2020
Chapter 28.1 - Mahiro and Girl's Night (Second Part) [Tank Version] 11/09/2020
Chapter 28 - Vol. 3 Ch. 28 - Mahiro and Girl's Night (Second Part) 11/09/2020
Chapter 27.99 - Omnibus 7-8-9 Extras 02/23/2024
Chapter 27.5 - Vol. 3 Ch. 27.5 - Including Extra (25.5 - 26.5 - 27.5) 11/09/2020
Chapter 27 - Mahiro and Girl's Night (First Part) 11/09/2020
Chapter 26 - Vol. 3 Ch. 26 - Mahiro and Patissier 11/09/2020
Chapter 25 - Vol. 3 Ch. 25 - Mahiro and Finals 11/09/2020
Chapter 24.5 - Part 1: Mahiro and Bento & Part 2: Mihari and Bento 11/09/2020
Chapter 24 - Mahiro and Common Interests 11/09/2020
Chapter 23 - Mahiro and the Fun Weekend 11/09/2020
Chapter 22.5 - EX Special - Mahiro and an Uneventful Holiday 11/09/2020
Chapter 22 - Mahiro and the Harsh Lesson 11/09/2020
Chapter 21.5 - Extras 11/09/2020
Chapter 21 - Mahiro and the First Day of School 11/09/2020
Chapter 20.9 11/09/2020
Chapter 20.5 - Mihari and Dresses + Mihari (afterwards) and Dresses 11/09/2020
Chapter 20 - Mahiro and Middle Schoolers 11/09/2020
Chapter 19 - Mahiro and Uploading Videos 11/09/2020
Chapter 18.99 - Omnibus 4-5-6 Extras 02/23/2024
Chapter 18.5 - Part 1: Mahiro and a "Comrade's" Return & Part 2: Mahiro and Perms 11/09/2020
Chapter 18 - Mahiro and the Onsen Panic (Second Part) 11/09/2020
Chapter 17 - Mahiro and the Onsen Panic (First Part) 11/09/2020
Chapter 16 - Mahiro and the Hair Salon 11/09/2020
Chapter 15.5 - Siblings and Kotatsu 11/09/2020
Chapter 15 11/09/2020
Chapter 14 11/09/2020
Chapter 13 11/09/2020
Chapter 12.5 - Mahiro and Nichiasa 11/09/2020
Chapter 12 11/09/2020
Chapter 11 11/09/2020
Chapter 10.99 - Omnibus 1-2-3 Extras 02/23/2024
Chapter 10.9 11/09/2020
Chapter 10.5 - Mahiro and Helping Out & OMAKE - Mihari and Onii-chan 11/09/2020
Chapter 10 11/09/2020
Chapter 9.5 - Mahiro and the Two's Secret 11/09/2020
Chapter 9 11/09/2020
Chapter 8.5 - Mahiro and Gacha (v2) 11/09/2020
Chapter 8 11/09/2020
Chapter 7 11/09/2020
Chapter 6.5 - Mahiro and Going in Circles 11/09/2020
Chapter 6 11/09/2020
Chapter 5.5 - Mahiro and Comfort for Many Days 11/09/2020
Chapter 5 11/09/2020
Chapter 4 11/09/2020
Chapter 3 11/09/2020
Chapter 2 - mahiro and the dangerous mirror 11/09/2020
Chapter 1.5 - Mahiro and the Toilet 11/09/2020
Chapter 1.03 - <deleted> 08/30/2021
Chapter 1.02 - <deleted> 08/30/2021
Chapter 1.01 - <deleted> 08/30/2021
Chapter 1 - Mahiro and the unpleasurable body 11/09/2020

Onii-chan Is Done For!

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