"If you think about it calmly, it's easy to understand. When she's going to meet a guy she likes, a girl does whatever she can to look her best. But, I was so caught up in all the new things happening to me."
Police officers question Tsukushi Makino after a burglar has broken into her apartment. They assure her to call again if something happens again before leaving. Minutes later, someone bangs on the door. Tsukushi and Susumu nervously open the front the door and throw pots and pans at the intruder, who turns out to be Tsukasa Domyoji. Tsukushi apparently called him about the burglar. Sitting down, they reveal that they are dating to Susumu, who promises to not tell their parents.
Outside, Tsukushi sees off Tsukasa. He asks about the next door apartment which she reveals is vacant. Tsukasa then teases her "You wanna come to my room and sleep with me?," making her blush. The next day, Sojiro Nishikado tells Akira Mimasaka about Yuki Matsuoka. He asks "So are you gonna go for it?" to which he answers "Of course not." Akira then recalls a line Sojiro used to use on girls. Sojiro reminds Akira about his date. Once Akira is gone, Sojiro looks at Yuki's number and wonders "Shall I scare her a little?"
At work, while changing, Yuki asks Tsukushi if she and Tsukasa have "done it." Tsukushi becomes flustered and Yuki asks "Isn't it natural?" Then Yuki receives a phone call and asks to borrow Tsukushi's shirt before rushing off. Tsukushi returns home after her second part-time job at a restaurant. Susumu reveals that someone has moved in next door. They go over to introduce themselves and discover Tsukasa. He asks about there not being a bath and wonders if he is supposed to wash in the kitchen sink.