Kase y el bentô (Kase, 2)

Yamada is dating Kase, the star of the track and field club. Now that they're both in 3rd grade B, Yamada is excited at the thought of seeing her every day, but... what are girlfriends supposed to do? Amidst all the ups and downs, the school trip arrives: Okinawa, here we come! Yamada and Kase cry, laugh, and deepen their relationship in this bittersweet school romance.