Kahoko's father is upset with his wife and daughter, feeling that they depend on him only when it's convenient for them. Hajime suggests that Kahoko starts a part-time job to be more independent.
Kahoko resolves to be a more independent daughter, greatly upsetting her mother, which then causes her to run away from home.
Kahoko accidentally learns about a secret, kept by her grandmother Hatsuyo. Knowing the secret, Kahoko tries to convince Ito to hold her birthday party.
A family meeting is held to discuss Hatsuyo's condition but it only creates a commotion. Trying to move on from Hajime, Kahoko begins to attend matchmaking parties for Hatsuyo's sake.