
RuriDragon
RuriDragon shares the Slice of Life genre and similar themes: Monster Girl, School.
View detailsThe 2 best manga like Kaijuu-kun — also known as mangas like Kaijuu-kun — that readers recommend next.
If you loved Kaijuu-kun, you're in for a treat. This Drama, Slice of Life manga (2022) is beloved for its Monster Girl, School, Bullying elements, and the titles below share that same DNA — handpicked based on community votes, overlapping genres, and thematic similarities. Each recommendation is ranked by reader affinity on AniList.

怪獣くん
When he was in elementary school, a boy who had been trying to save his childhood friend from being bullied turned violent. Now, as a junior high school student, his classmates nickname him "Kaijuu-kun" and distance themselves from him. One day, a girl who is "half Kaiju" joins his class. She seems to have come to school to make friends with many people...... A heartwarming monster coming-of-age story about the pain of school life and friendship! Note: Includes chapter 5.5
When he was in elementary school, a boy who had been trying to save his childhood friend from being bullied turned violent. Now, as a junior high school student, his classmates nickname him "Kaijuu-kun" and distance themselves from him. One day, a girl who is "half Kaiju" joins his class. She seem...
Kaijuu-kun has 6 chapters.
Kaijuu-kun belongs to the Drama, Slice of Life genres.
The top manga similar to Kaijuu-kun include RuriDragon, Kaiju Girl Caramelise. These share key genres and themes with Kaijuu-kun.