Many of your course textbooks can be found at the University Library free of charge, so check out the library before using your funds for textbooks.
The Outdoor Exploration Club has a new member-Mei, and she's joining them on a club camping trip to Karisaka in Yamanashi. She and Aoi head there by bike, while Chiaki and Toba-sensei travel by car. Rin has plans of her own, and appears to be going solo to Saitama...?