Hina grew up in an all-girls school. One day, she transfers to Ocha Gakuen. Ocha Gakuen is notorious for being a former all-boys school. Hina's grandpa happens to be the school's director! Two of the strongest boys in the school are assigned to protect Her. Kei is a cool, foul-mouthed young man and is the student council president. Haru is a handsome flirty vice-president who loves girls. While being protected by the two strongest boys in the school, Hina ends up saving the school from a pinch situation as a member of the student council...!?

Cover illustration: Ryouko Mizoguchi 1. **Mikazuki** (三日月) \[Ryouko Mizoguchi\] 2. **Shiawase Bank** (幸せバンク) \[Mako Fukunaga\] 3. **Watashi no Senaka** (私の背中) \[Hifumi Sasaki\] 4. **Prima Doll no Yume Monogatari** (プリマドールの夢物語) \[Hori Oritoka\] 5. **Kioku no Naka no Kimi e** (記憶の中のキミへ) \[Asuka Ogura\] 6. **Murasame Kidan** (村雨奇談) \[Eiko Komuro\] 7. **Anata wa Watashi no Mono** (あなたは私のもの) \[Yukino Kisaragi\] 8. **Bukimi na Pet** (不気味なペット) \[Yuuki Harami\]

Adri and Jaka are the school detective duo. They have solved many cases. From trivial cases to cases that they think are serious... However, a mysterious event occurs again at the end of their study period in grade 3. Based on Adri's hypothesis, a teacher is involved in it. Adri and Jaka are back in action risking their intelligence and self-esteem, even their friendship... (Source: Official synopsis, translated)

[Original Webtoon](https://www.comico.jp/comic/7039)