It's the day before the girls will climb Mt. Tanigawa. While Aoi bakes a pound cake to take along, Kokona celebrates her birthday early with a stroll around Hanno in her brand-new hiking shoes.

“There are many books in this world I do not know. It makes me angry.” Ik-Soo suddenly announces he will travel with Yuna and Hak to see the world. Yoon is upset and unable to contain his anger. Though Yona and Hak understand his feelings, they are unable to do anything but watch in silence.

Yuuji suddenly announces that he'll be Makina's father. Everyone around gets confused and looks at them skeptically, but the two of them act like father and daughter very dilligently. Yuuji even becomes a rather Spartan father at the end of the term. He attempts to drive all the knowledge he possesses into Makina, from hand-to-hand combat techniques to marksmanship.

Erika and Kyoya go out on their first proper date, and she wants to do all of the typical couple things. He thinks they're stupid, and refuses. But perhaps he might be showing his first hints of compromising...?