Hikaru-chan, a cheerful girl who came to the brass band club's training camp. She happened to run into a group of men who were on a trip, and after a conversation, she decided to go to the men's room to play. She is a friendly natural girl. She was very cute with a warm atmosphere and enjoyed spending time in the room, but gradually the uncle became captivated and went into sexual harassment mode. It is the beginning of naughty memories.
