As an ordinary person in your family, I am also very desperate [Comprehensive]

Chapter 2,

Little Kamiya: Yuyin, what is this?

Yuyin: This is a savings card, Miss Kamiya, who gave it to you?

Little Kamiya: Grandma, the card says it's for shopping for me.

Yuyin: There should already be money in there.

Little Kamiya: So this is for saving money?

Yuyin: You can think so...

Little Kamiya: Then Yuyin can help me deposit other money.