Ouji no Honmei wa Akuyaku Reijou Episódio 4 Online

A mysterious envelope arrives with a cryptic message, but Diana ignores it and goes to sleep. When she wakes up the next day, the person sleeping next to her is... Spica, Diana's cousin, and another of Chris's targets. With his appearance, Sirius's behavior is different from usual... is there turmoil on the horizon?