DASS-630 Big Sister Night Memories of a hot night with my sister. Mary Tachibana

Kenta, who was adopted by the Tachibana family, was unable to adapt to his new environment and ran away from home. Exhausted by his lonely life in Tokyo, he returns home for the first time in several years and is greeted by his sister-in-law, Mary, the only person who ever cared for him. However, she was already married, but unfortunately her husband died in an accident and she became a widow. As they spend their days together again, Kenta is lost.