est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Yamada is your typical creepy ugly bastard, but for once luck is on his side: he received a huge inheritance. So what does he do? Of course, starts slapping his crush with wads of cash, asking her to be his friend with benefits. And as it turns out, her family is in debt, so it actually works. (Source: Fakku!)
Source: AniList
External databases: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections