"Good afternoon, Riddle-san. Is this seat taken?" There are plenty of other chairs still available in the library, but the merman has no particular interest in any of them. He came here today to find Riddle, after all, and now that he is in his sights he has no intention of letting him get away. In fact, he's already taking a seat beside him while asking permission as nothing more than a formality.

His books are set on the table along with his pen as his gloved hands come to rest on his own lap. "I was hoping to discuss our lesson with Professor Crewel with you today."

Truthfully he doesn't need any help considering how fond of potionology he is, but it's a convenient topic of conversation.