Some of it is. Some of it comes from people who're still alive. It's their punishment to have their flesh devoured. You couldn't feel it at the time?

[The submissive play was bleeding over into Hisoka's normal mannerisms. He snuggled up against Tsuzuki's body when the hug happens, visibly content despite the conversation subject.]

...But it's all right. It's happened a couple of times since then and I kept it down. It didn't even feel that strongly last time.

[But he deflated at the confirmation of the worst case scenario.] Well. I'm not a demon lord. Maybe I can.. do something. There might be a ritual... [There might be, but that didn't mean Hisoka knew how to perform it. His novice studies were far too low-level to fathom a way out of this dimension.]