It was his last winter of college life, and as his final exams approached, sadness and longing pervaded him. His life was uncertain and his parents had stopped sponsoring our hero Nozomu-kun. His childhood friend could not leave him in this state and decided to shelter the hero under her roof for just one month. In a short time, Nozomu stopped seeing her as his childhood friend and started to look at her as a woman. He soon fell head over heels in love, but their relationship as well as their cohabitation would end in exactly one month.