Threadhopping with this character?: Go for it~
Backtagging with this character?: Why not? Just tell me :3
Hugging this character?: Who wouldn't wanna hug Momiji? Seriously. Go for it. JUST BEWARE the consequences!
Giving this character a kiss?: Might come up. Don't see the point in stopping it.
Relationships: If it happens it happens. But I'm not going to force Momiji to feel anything.
Punching this character: This has happened before. Feel free.
Injury: Can't stop that in real life, can't stop it here.
Death: See also 'Injury'. However, talk to be first about it.