Anime like Onii-chan wa Oshimai!

also known as ONIMAI: I'm Now Your Sister!

What is ONIMAI: I'm Now Your Sister! about?

Studio: Studio Bind
Status: Finished

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!



Tags: Gender Bending , Transgender , Age Regression , Cute Girls Doing Cute Things , Rehabilitation , Primarily Female Cast , Primarily Teen Cast , Female Protagonist , Coming of Age , Hikikomori , Family Life , Otaku Culture , Iyashikei , School , Gyaru , Tomboy , Chibi , Nudity , Chuunibyou

Here is a list of Anime similar to Onii-chan wa Oshimai!

Lucky☆Star

Lucky☆Star

Also known as Lucky☆Star.

Studio: Kyoto Animation , Lantis , Rakuonsha , Lucky Paradise , Funimation
Status: Finished
Genres: Comedy , Slice of Life

What’s the best way to eat dessert? Do twins really have a psychic connection? What kind of guys are into moe girls? These are the kinds of questions that float through the inquisitive mind of anime super-fan Konata Izumi. When she’s not lost in her favorite manga or logging hours in one of her online games, she’s debating the mysteries of the universe with the best friends a girl could ask for.



Tags: Cute Girls Doing Cute Things , Female Protagonist , Primarily Female Cast , Primarily Teen Cast , Ensemble Cast , Parody , Otaku Culture , School , Meta , Episodic , Coming of Age , Twins , Video Games , Philosophy , Tsundere , Kuudere , Cheerleading , Ojou-sama , Shounen , Shrine Maiden , Baseball
YuruYuri

Yuru Yuri

Also known as YuruYuri.

Studio: TV Tokyo , Daume , Doga Kobo , Pony Canyon , DAX Production , NIS America Inc. , Studio Gram , PRA , Jumondou
Status: Finished
Genres: Comedy , Slice of Life

Right after starting middle school, Akari Akaza joins the Amusement Club which is composed solely by her two childhood friends, Kyouko Toshinou and Yui Funami. Chinatsu Yoshikawa, Akaza's classmate, becomes a member after finding out about the dissolution of the Tea Club.

The Amusement Club, situated at the tea room facility since the Tea Club disbanded, has no clear purpose, being free for the girls to do whatever they want.



Tags: Cute Girls Doing Cute Things , Primarily Female Cast , School Club , Meta , Surreal Comedy , Yuri , Love Triangle , School , Slapstick , Episodic , Female Protagonist , Tsundere , Primarily Teen Cast , Primarily Child Cast , LGBTQ+ Themes , Kuudere , Twins
Life With an Ordinary Guy Who Reincarnated Into a Total Fantasy Knockout

Fantasy Bishoujo Juniku Oji-san to

Also known as Life With an Ordinary Guy Who Reincarnated Into a Total Fantasy Knockout.

Studio: OLM , Bushiroad , Cygames , Bit Grooove Promotion , bilibili , TV Tokyo
Status: Finished
Genres: Adventure , Comedy , Fantasy , Romance

Childhood friends Tachibana Hinata and Jinguuji Tsukasa were living the everyday life of office workers. Then, on the way home from a mixer, they were sent flying into another world by a mysterious being. Once there, Jinguuji sees his best friend has been turned into a beautiful blonde-haired, blue-eyed girl...?!

The adorableness of Tachibana’s female form completely flummoxes Tachibana. But these two are each others’ best friends. To keep their relationship from being destroyed, they must defeat the Demon Lord as quickly as possible and return to their original forms.



Tags: Gender Bending , Isekai , Slapstick , LGBTQ+ Themes , Primarily Adult Cast , Parody , Boys' Love , Gods , Magic , Shounen , Satire , Meta , Heterosexual , Elf , Chuunibyou , Travel , Vore , Male Protagonist
WATATEN!: an Angel Flew Down to Me

Watashi ni Tenshi ga Maiorita!

Also known as WATATEN!: an Angel Flew Down to Me.

Studio: Doga Kobo , flying DOG , Kadokawa Shoten , Sony Music Communications , Kadokawa Media House , AT-X , Ichijinsha
Status: Finished
Genres: Comedy , Slice of Life

The four-panel comedy manga's story centers on Miyako Hoshino, a shy college student and otaku. Miyako's younger sister Hinata, who is a fifth grader, has a classmate and friend named Hana. When they meet, Miyako falls for Hana at first sight.



Tags: Female Protagonist , Cute Girls Doing Cute Things , Primarily Female Cast , Primarily Child Cast , Yuri , Cosplay , Age Gap , Family Life , Hikikomori , School , Food , College , Angels
Himouto! Umaru-chan

Himouto! Umaru-chan

Studio: Doga Kobo , Madman Entertainment , Sentai Filmworks
Status: Finished
Genres: Comedy , Slice of Life

The sibling gag comedy manga centers around Umaru, Taihei's little sister who boasts beautiful looks as well as prowess in both school and sports. However, "Himouto" (beautiful little sister) has a certain secret.



Tags: Otaku Culture , Chibi , Cute Girls Doing Cute Things , Family Life , Female Protagonist , Primarily Female Cast , Urban , Ensemble Cast , Parody , School , Food , Seinen , Disability
Eromanga Sensei

Eromanga Sensei

Also known as Eromanga Sensei.

Studio: A-1 Pictures , Aniplex , KADOKAWA , ASCII Media Works , Kinoshita Group , Movic , BS11
Status: Finished
Genres: Comedy , Drama , Ecchi , Romance , Slice of Life

The "new sibling romantic comedy" revolves around Masamune Izumi, a light novel author in high school. Masamune's little sister is Sagiri, a shut-in girl who hasn't left her room for an entire year. She even forces her brother to make and bring her meals when she stomps the floor. Masamune wants his sister to leave her room, because the two of them are each other's only family.

Masamune's novel illustrator, penname “Ero Manga Sensei,” draws extremely perverted drawings, and is very reliable. Masamune had never met his illustrator, and figured he was just a disgusting, perverted otaku. However, the truth is revealed … that his “Ero Manga Sensei” is his own younger sister! To add to the chaos that erupts between the siblings, a beautiful, female, best-selling shoujo manga creator becomes their rival!



Tags: Inseki , Writing , Primarily Child Cast , Drawing , Hikikomori , Tsundere , Otaku Culture , Heterosexual , Female Harem , Assassins , Male Protagonist , Primarily Female Cast , Philosophy , Work , Nudity , Feet , Meta , Parody , Love Triangle , Unrequited Love , Video Games , Crossover , Female Protagonist , Primarily Teen Cast , Airsoft
ReLIFE

ReLIFE

Also known as ReLIFE.

Studio: TMS Entertainment , Aniplex , Hakuhodo DY Music & Pictures , NHN Comico , C&I Entertainment , Lawson
Status: Finished
Genres: Comedy , Drama , Romance , Slice of Life

The story follows Kaizaki Arata, a 27-year-old jobless man, who fails at every job interview he had after quitting his last company. His life changes after he met Yoake Ryou of the ReLife Research Institute, who offered him a drug that can change his appearance to 17-years-old and to become a subject in an experiment for one year. Thus, he begins his life as a high school student once more.

Tags: Rehabilitation , Age Regression , School , Memory Manipulation , Male Protagonist , Time Manipulation , Heterosexual , Primarily Teen Cast , Coming of Age , Seinen , Hikikomori , Kuudere , Age Gap , Work , Chibi , Slapstick , Tragedy , Acting , Volleyball
Girl Meets Girl

Kashimashi: Girl Meets Girl

Also known as Girl Meets Girl.

Studio: Bandai Visual , Studio Hibari , Lantis , Discotek
Status: Finished
Genres: Comedy , Drama , Romance , Slice of Life

Hazumu was a shy boy who enjoyed gardening, collecting herbs, and long walks in the mountains. One day he finally worked up the courage to confess his love to Yasuna, but she rejected him.

Depressed, he wandered up Mt. Kashimayama, the place where they first met, to reconsider his feelings. After getting lost, he wished upon a shooting star and received a bizarre twist of fate.

Now he is a she, and she stumbles headfirst back into social life and relationships only to find that the entire landscape has changed!



Tags: Gender Bending , Yuri , Educational , Tsundere , Disability , Love Triangle , School , LGBTQ+ Themes , Primarily Female Cast , Transgender , Primarily Teen Cast , Female Protagonist , Tomboy , Nudity , Aliens , Bisexual , Teacher , Urban Fantasy
WataMote: No Matter How I Look At It, It's You Guys' Fault I'm Not Popular!

Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!

Also known as WataMote: No Matter How I Look At It, It's You Guys' Fault I'm Not Popular!.

Studio: Square Enix , SILVER LINK. , Sentai Filmworks
Status: Finished
Genres: Comedy , Slice of Life

At the tender age of 15, Tomoko Kuroki has already dated hundreds of boys — or at least in dating games she has. The sad truth is that she gets tongue-tied just talking to people, which makes her entrance into the social pressure cooker of high school especially odious and riddled with anxiety. Can Tomoko overcome her crippling social anxiety and finally have the popular high school life she’s always dreamed of? Or will she merely get caught in the downward spiral that is her awkward life?



Tags: Bisexual , Hikikomori , Female Protagonist , Disability , Psychosexual , Satire , Otaku Culture , School , Parody , Slapstick , Meta , Achronological Order , Chuunibyou , Video Games , Rehabilitation , Shounen
Himegoto

Himegoto

Studio: Asahi Production
Status: Finished
Genres: Comedy , Ecchi , Slice of Life

The story follows Hime Arikawa, a boy who is being chased down by scary people. However, he is rescued from danger by the girls in his school's student council — 18-Kin-san, President Unko, and Beru-senpai. The student council will assume Arikawa's debt under one condition: "As the student council's dog, you will spend your high school life in women's clothes."

Tags: Crossdressing , Episodic , Male Protagonist , Femboy , Gender Bending , School , Parody , Heterosexual , Seinen

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