Koto, Aya, and Erika were secretly in love with each other.
Koto revealed her feelings for Aya, but a short while later, Aya disappeared as if she had been spirited away.
Seven years later, Aya reappears to Koto and Erika, just as she was then...
How to Break a Triangle It is also Known as: 三角形の壊し方, Sankakukei no Kowashikata
Genres: Drama , Mystery , Romance , Supernatural , Love Polygon , Shoujo Ai
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Top 5 Manga Like How to Break a Triangle (Sankakkei no Kowashikata) [2026 List]
5. Watashi wo Tabetai, Hitodenashi
High school girl Hinako is living a quiet life in a seaside town, but she feels somewhat detached from her friends during the summer months when she is reminded of when her family died years ago. One day, she meets Shiori, a mysterious girl who reminds her of the ocean, especially when it comes to her translucent blue eyes, but Shiori soon reveals that she is actually a mermaid who has been looking for Hinako for a long time.
Source: MU
A Monster Wants to Eat Me is currently publishing and has Chapters. It is also Known as: 私を喰べたい、ひとでなし, WataTabe
4. Watashi Igai Jinrui Zenin Yuri
This world somehow changed and isn't normal anymore... There's no boys to be found, and all the girls have become...
Watashi Igai Jinrui Zenin Yuri has finished publishing and it has 11 Chapters. It is also Known as: 私以外人類全員百合, Watashi Igai Jinrui Zen'in Yuri
3. Diabolik Lovers Anthology
Komori Yui lives her life together with six brothers (by father's side). However, it is not the common daily life! In fact is quite a radical life, she is oppressed by them, and blood is demanded, as they are all vampires!
Diabolik Lovers Anthology has finished publishing and it has 12 Chapters. It is also Known as: DIABOLIK LOVERS アンソロジー, Diabolik Lovers Anthology
2. Vampeerz
On the day of her grandmother's funeral, Ichika meets Aria, a beautiful foreigner who claims to be her grandmother's friend. But Ichika soon finds that Aria is no normal human; she is a vampire, and their relationship has just begun...
Vampeerz, My Peer Vampires has finished publishing and it has 46 Chapters. It is also Known as: ヴァンピアーズ, Vampeerz
1. Shimeji Simulation
After locking herself inside her closet for two years, Shijima Tsukishima finally comes out of isolation to attend high school. However, when she looks at herself in the mirror, she discovers two shimeji mushrooms growing on the top of her head. This odd occurrence, combined with a lack of social ability and being bullied in middle school, leads Shijima to keep to herself when she arrives at school.
While reading alone, Shijima is approached by her classmate, Majime Yamashita, an eccentric girl with a fried egg on her head. Majime pesters Shijima to be her friend, giving her the nickname "Shimeji" upon seeing the mushrooms growing on her head. After enough insistence on friendship, Shimeji gives in and decides to keep Majime company. Shimeji tries to get through a less-than-normal high school life as she explores the mysteries and wonders of this strange world with her new tenacious companion.
Shimeji Simulation has finished publishing and it has 49 Chapters. It is also Known as: シメジシミュレーション, Shimeji Simulation
