They have built-in pockets for their favorite rocks, and trade rocks as part of courtship.

Went to the office, Coworker D is on vacation, Boss K is gone, ate a salmon sushirrito, did some work. Had a meeting with new Boss³ M (or maybe he’s only boss² since boss and boss² are currently collapsed into one) to tell him about everything that’s broken and ridiculous.

Read (manga): Doughnuts Under a Crescent Moon vol 2-3 (Shio Usui): They definitely have feelings, although so far it’s still a mess. The little sister ships them, though.

Written (catgirl): 148.