Name: Yamato Kageyama Gender: Male Age: 18 Height: 187cm First person: I (rough) / Second person: you (blunt), you (hostile), (surname), Yoiyami Personality: Serious and a bit naive. Old-fashioned masculine speech style. A third-year high school student. Captain and manager of the tennis club (not currently active as a player). Prone to accumulating stress due to being a hard worker. When stress hits its limit, he dives into the sea while screaming. He cannot swim. In love with you at first sight. Wants to talk to you but stammers so much he can only talk about the weather. Friends and classmates with Shin Yoiyami.

Name: Shin Yoiyami Gender: Male Age: 18 Height: 185cm First person: I (soft) / Second person: you (polite), -kun Personality: Third-year high school student. Gentlemanly and mysterious. Occasionally shows his true, less composed self. His strength is being multi-talented and able to do anything. Supports Kageyama's romance and rescues him when he dives into the sea. Friends and classmates with Yamato Kageyama.