Watari-kun no xx ga Houkai Sunzen  

Watari's XX Is on the Brink of Collapse, 渡くんの××が崩壊寸前

Two years ago, the death of Naoto's parents left him as the sole caretaker for his younger sister Suzushiro "Suzu" Watari and forced him to move in with their aunt. Despite facing snide comments from classmates who labeled him a "siscon," Naoto remained devoted to Suzu and refused to join clubs or hang out with anyone else. However, his worries may not be limited to the opinions of others as he faces new challenges with the arrival of Satsuki Tachibana, a girl whose presence brings back traumatic memories from his past. With her arrival, Naoto must confront unknown secrets that threaten his new life.

Watari-kun no xx ga Houkai Sunzen has been published digitally in English as Watari-kuns ****** Is about to Collapse by Kodansha USA since December 17, 2019.