It starts off with Takaaki sleeping when a new character, HMX-17c Silfa, wakes him up by stepping on his face. At breakfast, Takaaki realize that they hav run out of some things, so he told Silfa to shop and said he would come with her after school, but Yuji scares her off. So Takaaki went by himself to shop when we meet Harumi, who is in love with him.