on rainy nights, kana's body starts to feel hot and bothered. her pussy gets soaked, making it hard to focus on work. her boss notices her strange behavior. a few days later, on another rainy night, the restaurant closes early due to lack of customers. kana ends up having an affair with her boss at a hotel. "it's all because of the rain and the night..." ever since, kana's massive tits seem to glow in the dimly lit restaurant. the affair on rainy nights continues without end.