There's No School Tomorrow, Right?

Komichi makes up her mind to invite Erika over during the weekend. But because she's never invited anyone to her house before and doesn't know how to ask, a week has passed before she realizes it. Erika, realizing that Komichi is acting suspicious, invites her to the school library to try to find out what's going on. Komichi takes an interest in the book on fishing that Erika is reading and tells her that she often goes fishing at the lake near her house with a her own homemade pole. Erika responds with a look of envy, and from there...