Kairi Shinonome's younger twin brother, Anri, has been dressed as a girl since birth by their mother. One day, Anri goes to an idol audition. Kairi cross-dresses as well to go and stop him, but unexpectedly they both end up scouted as idols!
Big Sis Will Protect You! has finished publishing and it has 6 Chapters. It is also Known as: お姉ちゃんが守ってあげる！, Oneechan ga Mamotte Ageru!
Genres: Comedy , Thriller , Ecchi , Gender Bender , Shounen Ai
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Top 5 Manga Like Big Sis Will Protect You! (Oneechan ga Mamotte Ageru!) [2026 List]
5. Tetsuwan Birdy
From fansite( http://tetsuwan_birdy.tripod.com/synopsis.htm ):
“Meet Tsutomu & Birdy - a boy and a girl from opposite ends of the galaxy with absolutely nothing in common. Tsutomu was an ordinary high school student. Birdy’s a maverick Space Federation Officer armed with superhuman strength and - as Tsutomu soon discovers- a devastating energy blast.
Now they have one thing in common: Their body. While apprehending an alien felon hiding out on Earth. Birdy accidentally blasted Tsutomu- killing him instantly. Now, Tsutomu must “time-share” his body with Birdy. And when she isn’t yanking him around like a marionette, he’s transforming into a girl in full view of his friends and family!
Birdy The Mighty II has finished publishing and it has 218 Chapters. It is also Known as: 鉄腕バーディー, Tetsuwan Birdy II
4. Samayoeru Tensei-sha-tachi no Revival Game
When "Nice Guy" Asai Manatsu's marriage proposal gets rejected, he thinks his day can't get any worse, until a Knight in a Skull helmet tries to kill him! He's saved by a beautiful, silver-haired swords-woman and told to flee, but his nice guy impulses are too strong and he saves her from an attack, getting himself killed in the process. As he dies he wishes to be reborn in a world where people won't judge him for taking care of others.
Samayoeru Tensei-sha-tachi no Revival Game has finished publishing and it has 26 Chapters. It is also Known as: さまよえる転生者たちのリライブルゲーム, ReLive game of Wandering Reincarnations
3. Nyotai-ka.
Manaka Makoto, 24 years old and a salaryman without a girlfriend, wakes up one morning suddenly changed into a female, and a knockout at that who attracts just about everyone of the opposite sex. And when he learns through a magical being that the only way he’s going to become male again is by getting aroused (as a woman) he tries to find a way back without any success. But when success finally comes and he switches back, he discovers that he will switch back and forth ANY time he gets close to someone sexually, and there are exceptions…
Nyotai-ka! has finished publishing and it has 60 Chapters. It is also Known as: にょたいかっ。, Nyotaika
2. My Heart Is Beating
17 year old exemplary student Bae Sugu lives alone with his father, the vice principal of his school. Weighed down by his father's expectations, Sugu has to hide his one true passion: swimsuits. He does not know where it comes from, but his passion is pure and genuine - and often misunderstood. But one day, when Sugu is secretly taking pictures of swimsuits by the pool, he is caught by his homeroom teacher who forces him into something ridiculous. Can Sugu find something to get out of the standstill his life has come to? Can his heart beat again?
My Heart Is Beating has finished publishing and it has 30 Chapters. It is also Known as: 두근두근 두근거려, Du-geun Du-geun Du-geun Geo-ryeo, It Beats and Beats and Beats
1. Himitsu no Akuma-chan
Kurosaki Sou is a 16-year-old who summons a devil to take his virginity. He hopes for a devil with flaming red hair, large horns, and black wings. He gets exactly what he wishes for, although he forgets something else rather important. Now he's forced to live with this devil and has to think of a way to get rid of it, and most importantly – survive its lust.
The Secret Akuma-chan has finished publishing and it has 16 Chapters. It is also Known as: ひみつの悪魔ちゃん, Motto! Himitsu no Akuma-chan
