Ore de Ii no, Mito-kun
俺でいいの、水戸くん · おれ で いいの 、 みとくん
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
“Can you look at me in that way…?” While they were working late at night, Karaki was confessed to by his junior, Mito. Since then, he naturally became conscious of Mito in everyday life. Little by little, he learns something new about Mito. Everyday, Karaki's feelings are slowly changing.... (Source: Kasakura, translated) Note: Includes the one-shot "Migimimi to Sokubaku (右耳と束縛)" and one extra chapter.
Source: AniList
External databases: MADB · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections