Smile... ? Is it that rare, though... ?
Riku never smiles in front of random people, so if he smiles at someone, that means he likes that person.
It's so clear just by looking at him... it's true.
He doesn't smile at all... people around him must be really troubled.
His expression scares those who try to talk to him... he smiles when he's with me, though... hmm?
He smiles a lot in front of me? That means...