"Hold on, are you okay?" He turned around looking at the man who just hit his head, valentine."
(wait I'm confused do they know each other O-O the first one if for if they know each other the second if for if they don't know each other . . .)
Valentine's eyes widened. "Don't try it Keio" He angrily walked faster to his home. He almost fell on his face doing so.
Valentine stared at Keio for a minute. He turned around and continued walking home.