Shirokuro-kun to Anzu-chan.
しろくろくんとあんずちゃん。 · しろくろくん と あんずちゃん
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
A person who appear in front of Anzu after she made a wish "I want a boyfriend" to God during new year is...!?
Source: AniList
External databases: MADB · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections