One week to go until the school trip. In spite of heavy rain, the whole class is excited. Hiroaki, the main character, experiences a mixture of feelings at his hometown and the destination of the school trip. Suzuna, his childhood friend, loves him, and Suzuna's older sister, homeroom teacher of Hiroaki's class, also loves Hiroaki. Their feelings are folded several times, and Hiroaki gradually gets involved in it....

[Edited from Himeya Shop]