My Rainy Days

A beautiful but calculating 17-year-old who uses compensated dating and extortion to shield herself from further hurt. Her tight-knit clique with Maki and Miho masks a deeper vulnerability and fear. Her evolving relationship with Kouki becomes a turning point that exposes her capacity for genuine affection alongside manipulation.

A 35-year-old introverted history professor whose brain tumor history haunts him after a fainting episode. He forms a bond with Rio, choosing to pursue love despite the threat of memory loss from surgery. His decision to undergo another operation becomes a test of duty, risk, and the possibility of happiness.

Rio’s secret lover and a school bully who edges Tomoko into Rio’s circle. Naoko’s trauma is revealed through her backstory of abuse, which complicates her relationships and fuels the dramatic tension. Her presence drives conflict until a fatal rooftop moment.

A naïve classmate who becomes a target of Rio’s manipulation but is also shielded by Rio’s actions when Naoko poses a threat. Tomoko’s arc centers on trust, friendship, and the consequences of social schemes. Her relief and hurt are tied to the shifting loyalties of the group.

Rio’s best friend who participates in the clique’s compensated dating scheme. Maki represents peer pressure and the pressures of belonging, offering support while also being pulled into harmful activities. Her perspective reveals the complexities of group dynamics in adolescence.

Rio’s other close friend within the clique, sharing in the scheme and the emotional highs and lows of their group. Miho embodies the allure and danger of the social circle that Rio leads. Her actions reflect the normalization of risky behavior within tight social groups.

Kouki’s cousin who becomes a bridge between Rio and Kouki. She offers empathy and practical help, ultimately revealing Kouki’s new address and supporting Rio. Kaori’s presence provides a counterpoint to the romance’s complications, rooting the story in family ties.

Rio’s mother, who pushes her daughter toward hospital visits and early life decisions. Ayako’s actions reflect parental influence, shaping Rio’s sense of protection and fear of harm. Her involvement hints at the familial pressures that underlie Rio’s survival strategies.