美少女戦士セーラームーンSuperS外伝 亜美ちゃんの初恋

A short movie based on the "Sailor Moon" TV series and movies about Ami rivaling with a boy she hasn't met nicknamed "Mercurius" who consistently ties with her for perfect scores on exams. When a spirit named Bonnone attacks her, Ami assumes it's Mercurius, but Usagi (Sailor Moon) knows otherwise.