Here we are.

Wow!! So many books!! Seems like it'll be hard to find the right one, though.

Hehe. That's why we're going to ask the expert.

Ah!! Sakuya-san!!

Welcome!!

Wow, ears!! Your friend must be a youkai, right!!? Are you here to rent some youma books!?

No, just a regular book for today. Like back with the tupai case. Do you mind giving us a hand?

Opaque red...

Opaque red...

Ah! Here we go!

It's called red coral, apparently.

—ral

Coral?