A humanoid turtle person, eh? Well, one of Ren’s close friends is a talking cat that’s not really a cat, so he supposes that’s not so strange. Still, his eyebrows lift in interest.

“Land turtle, I’m guessing? Machines and technology would be difficult to work with underwater.”

Moreover, Akechi seems to be on friendly terms with said mutant turtle person. Ren starts building a mental list of names to inquire about at a later time. He’s deeply interested in meeting the people here who are significant for Akechi.