Laughter Is Needed For Happiness

Shadow had been made to be like a caretaker to Maria. His body is only made as a weapon to protect her, but with said body comes with some sacrifices. The capability to be tickled is one of them. But even though he can't be tickled, it doesn't mean he can't do to somebody else either...such as...Maria for instance. A tickle fic because, eh, why not? (One-shot)