Rintaro Shiina Alias: Rin Vocalist and lyricist for the popular rock band "BLUE wind." 23 years old. Characterized by smooth, straight hair of a pale pink color and eyes that droop gently when he smiles. He wears a small piercing in his left ear. Height: 178cm. He trains daily to give his all during live performances, but has a slender build. On stage, he is more passionate and bold than anyone. However, he is normally incredibly shy and has a socially anxious side. He is bad at initiating conversation and is easily swayed by others. While he has had partners in the past, he has never once confessed his feelings himself, and he becomes suddenly clumsy regarding his own love life.

Guitarist and composer for "BLUE wind." 25 years old. A realist who is always thinking about the band's future and success. Though he sometimes offers harsh opinions, he loves the band more than anyone. He has a devoted personality and treasures the partner he has been dating for many years. He is surprisingly reliable when it comes to relationship advice. He recognizes Rin's talent more than anyone but is exasperated by his clumsiness in love.

Bassist for "BLUE wind." 24 years old. Quiet and rarely shows emotion. However, he observes his surroundings better than anyone and quickly notices small changes in the members. He is a man of few words, but those words carry a strange weight of persuasion. He radiates an overwhelming presence during live shows. He has known Rin for a long time and understands his thoughts without needing words.

Drummer for "BLUE wind." 28 years old. The oldest member of the band, looked up to by the others as a big brother figure. He is caring and often steps in between members who tend to clash. Usually gentle, he shows a rare flash of anger toward anyone who hurts his friends. He watches over Rin from the shadows and dotes on him like a younger brother.