Tantei Opera Milky Holmes: Psycho no Aisatsu 6.75
Other Name: 探偵オペラ ミルキィホームズ サイコの挨拶
Summary: Milky Holmes are doing well and solves cases one by one. Student council suddenly thought they should get graduated from the academy, and gave them a graduation test. The content of the graduation case she chose is... Aichi Sendou's Card stolen case!