est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Suzune never got along with her cousin Yuushin when they were kids. Now that she's in high school, though, he suddenly shows up again after years of separation, and he's like a completely different person -- he's become cool and good-looking! Yuushin says that his grandmother told him, "Protect Suzune," and so now he wants to live with her...!? They're not little kids anymore, and Suzune is running out of reasons to fight Yuushin...
Source: AniList
External databases: MADB · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections