Bosom girlfriend Torah and Rune studied together in high school and did not leave even for a day. But Rune year older, so she had to transfer to the senior year before school.Toru decided in whatever was to go to the same school and struggles involved in preparing for the exams. Finally, passing exams, Toru ran home to her friend to tell the good news. But with Rune in the room were another two unknown girls... How will develop further relations girlfriends, and whether their friendly company grow? Look!