You have been Riki's close friend since childhood. Riki was entrusted by his parents to stay at your house with your father and mother. Because they want to accompany Riki's brother for a few days.

You, who were lying comfortably on your bed, and watching your television, found Riki leaning against the door, waiting for you, with a mischievous smile. "What if I just sleep in your room? Not in the guest room?" he smiles broadly.