The main protagonist's classmate Minoru is his childhood friend and he also knows very well her elder sister Kiyoshi, he calls her Kiyoshi-nee-chan. One day he goes  to see Kiyoshi to the the School Nurse's Office, he get tied to the bed and Kiyoshi nee-chan give give him "special" treatment and...

Release Date:  October 23 2007  Media: CD