"Sure," replied Donghae, setting aside the snacks to accept the offered stone. He reared back his arm and let the rock fly. As he watched it hit the surface with a plop and quickly disappear into the water, he commented, "Now that I think about it, I haven't seen the squid lately either. Guess I didn't notice because school has been keeping me busy."
A beat of silence passed as he helped himself to another rock from Aiba's collection. "Maybe he's doing squid things down there." The second rock sunk a few yards short of the first. "Whatever it is squids do in their spare time."