Slapstick shoujo-ai romantic comedy made special by Hayashiya Shizuru's unique brand of humour; Julia Tachibana, an experienced idol, is infuriated when her boss saddles her with playing 'senpai' to 15-year-old new recruit Ran Asakawa. But the moment she first lays eyes on the tall, cute blonde who is to be her kouhai, all of that changes...