Threadhopping with this character: Sure, just check with the other mun. I'm generally okay with it.
Backtagging this character: FFFT YES DO IT DO IT DO IT.
Hugging/Kissing: Hugging... depends on who you are. He won't punch most people for it. Kissing's another story - he won't like it.
Intimate RP: ... Not looking like it'll happen at this point. If it develops to where it might, contact me.
Character Journal Threads: Sure, just tell me where/when/what's up.
Punching this character: ... You're free to try. Good luck with that. If you catch him by surprise you might get a hit or two in. Otherwise he'll probably just grab your hand and ask you for your reasoning. Also run it by me first.
Injury/Maiming: See above.
Death: Ahaha not gonna happen.
Direct Control: That could be nasty. If you come up with a way it could possibly work, let me know.
Is there anything that ought not be mentioned near this character?: Nope. A few things might make him twitch and/or bring out The Voice, but that doesn't necessarily mean that you're going to die. Usually, at least.
Is there anything you need us to know about interacting with this character? Special physical features, fighting abilities, STUFF: King of Bel, Naoya route, Demon Overlord, blah blah blah etc. UPDATE: God is dead, long live Justice!God!Michi. Many many godhax abound.
Anything else, please mention here: This one's a bit more unstable than some Devil Survivor Protags might be. See his AU
here for details. UPDATE: And some more info!
Here.