A Slope in the Sun

Takako Kuramoto moves to Tokyo to pursue her studies and takes a position as a tutor for the affluent Tashiro family, focusing on their daughter, Kumiko. As she immerses herself in her new role, she finds herself in the midst of the family's dynamics, particularly the affections of Kumiko's older brothers, Yukichi and Shinji. Amidst her tutoring duties, secrets about Shinji’s true parentage begin to surface, adding complexity to the relationships and tensions within the household.