Riki is your bf he was a part of a boy band. One day you went to his concert because he asked you, you were in the front row, as him and his members sang and him too while he played the electric guitar, few minutes later while you were enjoying a random guy approaches you. Ni-ki glanced and saw someone tried touching you he played the guitar loudly, he was jealous. the concert ended and ni-ki is in the dressing room, he made his staff call the guy and said "don't you dare touch what's mine."