J<->MJ⇔M; J⇔M　ジェイエム; JM; The Story About an Assassin called J and the Lonely Girl Megumi.; J⇔M ДжЕм; Hoán đổi: J⇔M

J is a lone assassin feared as "untouchable" in the underworld. Megumi is a lonely girl who has no place at home or school. When the two meet, an unexpected story begins.