同棲ヤンキー赤松セブン (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: Akamatsu, a high school yankee, spends his days in agony. One day, he meets a mysterious man named Seven who lives in a park, and they start to fight every day. After a while, Akamatsu finds out that Seven no longer has a place to live, and invites him to his room where he lives alone...! This book includes a bonus paper at the end of the book, which is only available in the electronic version.

(Translator: DeepL)