|Length||Medium (10 - 30 hours)|
|Publishers||Elf & DMM|
|Related anime||[DB-ANN] Refrain Blue (OVA, 2000)|
Matsunaga Yoshihiro is a young man given the task of watching over a group of students from Touyou School on their summer break to a beach. One of the students, Morisawa Nao, has had sadness in her heart from her past - something Yoshihiro can relate to, having his own issues arrising during the trip.