Momoka secretly falls for student Nao. Nao has no girlfriend right now. Strong and brave, she always takes care of Nao's life in cold winter day. And the 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...