English releases on file: Jul 21, 2015 – Mar 26, 2019.

First Love Monster

8 volumes

Kaho Nikaidō finds herself head over heels for a mysterious stranger after he saves from being hit by a truck. Kaho has a few surprises in store for her when she discovers that her knight-in-shining-armor is her landlord's son — and in the fifth grade.

Volumes: 8 in the canonical sequence
English packaging: 8 books, 17 releases
Publishers: Yen Press
Also known as: Hatsukoi Monster, 初恋モンスター