OBA-092 - Father is away, spending 2 days and 1 night with my stepson

Sayuri becomes a mother to a teenage boy, Shinji, after marrying his father. Their relationship is strained and cold. When her husband leaves for a two-day business trip, Sayuri is left alone with her stepson. Determined to bridge the gap, she asks him to open up, leading to an unexpected and intimate revelation.