Inkya de Otaku de Binbou Dakedo Bijin Ojou-sama ni Osaretemasu
陰キャでヲタクで貧乏だけど美人お嬢様に推されてます · いんきゃ で おたく で びんぼう だけど びじん おじょうさま に おされてます
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Eiji is a high school student who lives with his unsuccessful novelist father. He's a shy, poor otaku, but he's a thoughtful boy who never forgets what his late mother taught him about the importance of compassion for others. What Eiji also admires is Aoi, the daughter of the president of a large company. However, Eiji couldn't even bear to look at her, given the huge disparity between them. One day, after school, Aoi greets Eiji when he returns home. Eiji is surprised when Aoi says something astonishing... (Source: Kadokawa, translated)
Source: AniList
External databases: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections