Recluse Mahiro would rather lose himself in his video games than venture into the outside world. After emerging from his cocoon of a room, he’s shocked to see a teenage girl staring back at him in the mirror. What did his younger sister Mihari do to him? Mahiro should be angry, yet he’s curious about this second chance at life. Can he soar in this brave new world? He’s intrigued to find out!
ONIMAI: I'm Now Your Sister! has finished airing and it has 12 Episodes. It is also Known as: お兄ちゃんはおしまい!, Onii-chan is Done For!
Genres: Comedy , Cross Dressing , Gender Bender , Science Fiction , Slice of Life
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Top 10 Anime Like ONIMAI: I'm Now Your Sister! (Onii-chan wa Oshimai!) [2023 List]
- 10. Bagel Girl
- 9. Mushoku Tensei: Isekai Ittara Honki Dasu
- 8. 4-nin wa Sorezore Uso wo Tsuku
- 7. Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!
- 6. Hourou Musuko
- 5. Sakura Trick
- 4. Yamada-kun to 7-nin no Majo (TV)
- 3. Fantasy Bishoujo Juniku Ojisan to
- 2. ReLIFE
- 1. Kobayashi-san Chi no Maid Dragon
10. Bagel Girl

Bong Gi used to have dreams of making something of his life. But now all that seems like a distant memory. He has become fat, lazy, unemployed, and altogether unlovable. In the real world, people are grossed out by him. He has never had a girlfriend and he spends his late nights fantasizing about women whose pictures he leers at on the internet. His own life appalls him, but he has one escape – his online life. Gaming has become his everything, and he excels at it.After another long, lonely night of gaming, he wakes up – and is shocked to find that he has transformed into a woman. Or to be more precise, a woman who looks a lot like those he used to lust after online! Confused, he does not know where to turn – so looks for answers on the net. He encounters a young woman in a chat forum named Sae Mi, who offers him advice. He soon falls for her charms – which makes things complicated to say the least. And things get even more bizarre when he attempts to take revenge on Sang Woo, a school bully who turns out to be Sae Mi’s older brother!
Bagel Girl has finished airing and it has 15 Episodes. It is also Known as: When I Woke Up I Became a Bagel Girl
9. Mushoku Tensei: Isekai Ittara Honki Dasu

When a 34-year-old underachiever gets run over by a bus, his story doesn't end there. Reincarnated in a new world as an infant, Rudy will seize every opportunity to live the life he's always wanted. Armed with new friends, some freshly acquired magical abilities, and the courage to do the things he's always dreamed of, he's embarking on an epic adventure—with all of his past experience intact!
Mushoku Tensei: Jobless Reincarnation has finished airing and it has 11 Episodes. It is also Known as: 無職転生 ~異世界行ったら本気だす~, Mushoku Tensei: Isekai Ittara Honki Dasu
8. 4-nin wa Sorezore Uso wo Tsuku

Each girl has at least one secret. Rikka, Chiyo, Sekine, and Tsubasa are four good friends in the same class. But each one has a ridiculous secrets...!?
The Little Lies We All Tell has finished airing and it has 11 Episodes. It is also Known as: 4人はそれぞれウソをつく, 4-nin wa Sorezore Uso wo Tsuku
7. Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!

15-year-old Tomoko Kuroki is a budding hikikomori—a shut-in who spends her time playing dating sims and watching anime. But even a lifetime of experience wooing virtual boys can't prepare her for the greatest challenge of all: high school.
Everyday life is a terrifying journey for Tomoko, fraught with hidden judgments and secret surprises. Her anxiety makes social interaction nigh impossible, but she's determined to figure it out. Will she make friends? Become popular? Maybe even meet a real-life cute guy? Find out in WataMote!
WataMote: No Matter How I Look At It, It's You Guys' Fault I'm Unpopular! has finished airing and it has 12 Episodes. It is also Known as: 私がモテないのはどう考えてもお前らが悪い!, Watashi ga Motenai no wa Dou Kangaete mo Omaera ga Warui!, It's Not My Fault That I'm Not Popular!, WataMote
6. Hourou Musuko

Effeminate fifth grader Shuuichi Nitori is considered by most to be one of the prettiest girls in school, but much to her dismay, she is actually biologically male. Fortunately, Shuuichi has a childhood friend who has similar feelings of discomfort related to gender identity: the lanky tomboy Yoshino Takatsuki, who, though biologically female, does not identify as a girl. These two friends share a similar secret and find solace in one another; however, their lives become even more complicated when they must tread the unfamiliar waters of a new school, attempt to make new friends, and struggle to maintain old ones. Faced with nearly insurmountable odds, they must learn to deal with the harsh realities of growing up, transexuality, relationships, and acceptance.
Lauded as a decidedly serious take on gender identity and LGBT struggles, Takako Shimura's Hourou Musuko is about Shuuichi and Yoshino's attempts to discover their true selves as they enter puberty, make friends, fall in love, and face some very real and difficult choices.
Wandering Son has finished airing and it has 11 Episodes. It is also Known as: 放浪息子, The Transient Son
5. Sakura Trick

Love is in the air when the story of Sakura Trick begins. Haruka Takayama and Yuu Sonoda were best friends in middle school, and are now attending Misato West High School together. They are assigned to the same class in their first year, but are given seats on opposite sides of the room! If that wasn't enough, it is announced at the entrance ceremony that the school will be closed in three years. This doesn't bother either of them, as they still plan on having lots of fun together during their high school years.
Haruka gets jealous of Yuu making new friends though, so the two decide to deepen their bond. "Let's do something we'd never do with other girls," Yuu says, and they share a kiss in a vacant classroom after school one day. After that one kiss leads to many kisses, the two begin to realize that the relationship they share has changed completely. But what will happen to their relationship once a disapproving older sister begins to suspect that something is going on between the two?
Sakura Trick has finished airing and it has 12 Episodes. It is also Known as: 桜Trick, Sakura Trick
4. Yamada-kun to 7-nin no Majo (TV)

When Ryuu Yamada entered high school, he wanted to turn over a new leaf and lead a productive school life. That's why he chose to attend Suzaku High, where no one would know of his violent delinquent reputation. However, much to Ryuu's dismay, he is soon bored; now a second year, Ryuu has reverted to his old ways—lazy with abysmal grades and always getting into fights.
One day, back from yet another office visit, Ryuu encounters Urara Shiraishi, a beautiful honors student. A misstep causes them both to tumble down the stairs, ending in an accidental kiss! The pair discover they can switch bodies with a kiss: an ability which will prove to be both convenient and troublesome.
Learning of their new power, Toranosuke Miyamura, a student council officer and the single member of the Supernatural Studies Club, recruits them for the club. Soon joined by Miyabi Itou, an eccentric interested in all things supernatural, the group unearths the legend of the Seven Witches of Suzaku High, seven female students who have obtained different powers activated by a kiss. The Supernatural Studies Club embarks on its first quest: to find the identities of all the witches.
Yamada-kun and the Seven Witches has finished airing and it has 12 Episodes. It is also Known as: 山田くんと7人の魔女, Yamada-kun to Nananin no Majo, Yamada-kun and the 7 Witches
3. Fantasy Bishoujo Juniku Ojisan to

A dull old man and his handsome best friend were summoned to another world by a naked goddess! However, because of the goddess's mischief, he has turned into a peerless beautiful girl?! To get back his body, he has to go on a journey with his best friend to defeat the demon king!! "An old man that became a beautiful girl" and "A handsome old man"! Let the madness filled another world journey rom-com begin!!
(Source MU)
Life With an Ordinary Guy Who Reincarnated Into a Total Fantasy Knockout has finished airing and it has 12 Episodes. It is also Known as: 異世界美少女受肉おじさんと, Fabiniku, Isekai Bishoujo Juniku Ojisan
2. ReLIFE

Dismissed as a hopeless loser by those around him, 27-year-old Arata Kaizaki bounces around from one job to another after quitting his first company. His unremarkable existence takes a sharp turn when he meets Ryou Yoake, a member of the ReLife Research Institute, who offers Arata the opportunity to change his life for the better with the help of a mysterious pill. Taking it without a second thought, Arata awakens the next day to find that his appearance has reverted to that of a 17-year-old.
Arata soon learns that he is now the subject of a unique experiment and must attend high school as a transfer student for one year. Though he initially believes it will be a cinch due to his superior life experience, Arata is proven horribly wrong on his first day: he flunks all his tests, is completely out of shape, and can't keep up with the new school policies that have cropped up in the last 10 years. Furthermore, Ryou has been assigned to observe him, bringing Arata endless annoyance. ReLIFE follows Arata's struggle to adjust to his hectic new lifestyle and avoid repeating his past mistakes, all while slowly discovering more about his fellow classmates.
Note: All 13 episodes of the anime were pre-streamed before the television broadcast on the ReLIFE Channel app on June 24, 2016.
ReLIFE has finished airing and it has 13 Episodes. It is also Known as: Re LIFE
1. Kobayashi-san Chi no Maid Dragon

Miss Kobayashi is your average office worker who lives a boring life, alone in her small apartment–until she saves the life of a female dragon in distress. The dragon, named Tohru, has the ability to magically transform into an adorable human girl (albeit with horns and a long tail!), who will do anything to pay off her debt of gratitude, whether Miss Kobayashi likes it or not. With a very persistent and amorous dragon as a roommate, nothing comes easy, and Miss Kobayashi’s normal life is about to go off the deep end!
Miss Kobayashi's Dragon Maid has finished airing and it has 13 Episodes. It is also Known as: 小林さんちのメイドラゴン, The maid dragon of Kobayashi-san