Sakura's much younger one-night stand is intent on pursuing her, despite their age difference.

Sakura's new boyfriend wants to come over to her place for dinner, but he's hiding his real motives.

Sakura's worried she might be pregnant.

Sakura's younger brother comes to visit; Chiyoko tries to go on a date with Rintaro.

Rintaro asks Sakura to pretend to be his girlfriend to have dinner with his mother.

Sakura finds out that she and Hiroto never actually slept together, and starts planning for their real first time.

Rintaro's ex turns up at his doorstep; Sakura and Hiroto spend a romantic evening at a hotel.

Hiroto and Sakura are blissfully in love, but Chiyoko can't stand being the only one unhappy.

Hiroto tries to win Sakura back after she learns about his lies.

Sakura must decide if she'll go to New York.