If You Walk with a Turtle, You'll Encounter Love

Shu Sekido has an unforgettable first love: Jun Ichijo, a former classmate who was scouted as a model in high school and left their hometown for Tokyo. Years later, Shu has taken over his family's small factory, living a quiet life with only his pet tortoise, Jun, for company. He has convinced himself that he has moved on, supporting Jun's career from afar as a fan while pursuing relationships with men who resemble him. But when Jun suddenly returns to town, Shu's carefully constructed reality begins to crumble.

Source: Ichicomi, translated