Ratman/YMMV


 * High Octane Nightmare Fuel: Ratman's various more powerful forms (even just opening his mouth and revealing way too many sharp teeth) are not for the faint of heart. Rio has trouble sleeping after running into one of the tamer versions.
 * Ho Yay: The way Shiki acts around Shuuto could be seen as either flirting (which seems to be how Mirea takes it) or like how he treats small animals.
 * The Evil Counterpart dynamic they have going and the fact that Shiki put Shuto in a Bridal Carry when they first met does NOT help.