Momoka secretly falls for student Nao. Nao has no girlfriend right now. Strong and brave, she always takes care of Nao's life. It is a cold winter day, and the heat breaks down. It is too freezing cold, Momoka decides to take a hot bath and wait for Nao's arrival. Nao returns home as usual. Not knowing why, Momoka suddenly has a reverie for him. She takes action… Nao sees this, still hesitates. Eventually they both...