Absolute angel Ajisai-san has an awful argument with her family and decides to decamp to the seaside for the summer. In other words: she's running away from home! Renako Amaori can't let this innocent ingenue wander the big, bad world alone. She's coming along, too! Will their high school hearts and minds be healed by bouts of ping-pong and wholesome spells in the hot springs, or will romantic drama find them, no matter where they go?