Shuji and Chise go on their first date to an aquarium. Shuji later goes to Fuyumi's house to retrieve his lost wallet, but has to face Fuyumi's seductive advances. In her military base, Chise meets Lt. Tetsu, a man who greatly resembles her boyfriend, Shuji. After a hard mission, Chise wakes up surrounded by a desolate wasteland and asks Tetsu to do one very difficult thing...