Refrain Blue

Matsunaga Yoshihiro is the chaperone for a group of high-school students on a summer trip to the beach. Watching over everything is a mysterious young girl who somehow is always there at decisive moments.

1. Refrain Blue: Chapter 1 - Scarlet Remembrance (2000)
2. Refrain Blue: Chapter 2 - Beneath the Moon... (2000)
3. Refrain Blue: Chapter 3 - Eternal Blue Waves (2000)