Vanilla to Orange

A high school girl named Kai works part-time and witnesses a couple breaking up over a minor issue. Reflecting on the incident, she resolves to be cautious and value her own relationships. Soon after, she runs into Azuma, the one who was dumped, during a committee meeting, making her feel awkward. Despite her discomfort, she finds herself grateful for his assistance. Later, she sees him again when he is dumped by another girl.