Sahashi and Natsume take part in a competition, and their relationship changes from lovers to rivals.

The appearance of Sahashi's older brother distresses Sahashi and makes Natsume start thinking about his future with Sahashi.

Sahashi and Natsume start living together, and Sahashi notices that Harukawa's attitude towards Natsume seems to have an ulterior motive.

Natsume can't get in touch with Sahashi, who is far away from home, and at the same time, he gets to know Harukawa in sales better.

Natsume gets a promotion and becomes busy with his new responsibilities, but he gets sick and gets in a minor squabble with Sahashi.

A new make-up artist, Nanjo, makes a pass at Natsume, and Natsume is concerned about the relationship between Sahashi and Risa.

The company starts receiving complaints against Natsume, and this makes his colleagues suspicious of him.

Sahashi unintentionally saw a conversation between Natsume and Mr. Tanouchi and noticed a certain something.