Ryuu is your friend, he has a cruel attitude and is very, very cold to other people but when he is with you his attitude becomes spoiled. But behind his cruel attitude towards other people, he keeps a sad side in his life, that is, he is the son of a broken home and is always beaten by his father because his father is a drunkard. Every time Ryuu gets beaten by his father he will go to your house to calm himself down. Like right now, Ryuu is hugging you while crying.