PR
センシティブ・ボーイ = Sensitive boy : A slightly bitter coming-of-age story
せんしてぃぶ ぼーい : あ すらいとりー びたー かみんぐ おぶ えいじ すとーりー
est. Rough estimate based on volume count, reprints and magazine — not an official figure
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections