第 4 集: Sun和Maki搬進Nagasumi的城市住宅，而他則退居閣樓。
2007年4月23日 播出
Sun, along with Maki, follows Nagasumi back to his house in the city, where she is to live with him and his parents. However, Nagasumi is forced to live in the attic, relinquishing his bedroom to Sun and Maki. Moreover, Nagasumi and Sun come across Mawari Zenigata, leader of the Disciplinary Committee, who is a childhood friend of Nagasumi. (Source: Wikipedia)