My Dear, Curse-Casting Vampiress, Vol. 5 (manga)

Isuzu’s past has always been shrouded in mystery, but it seems his amnesia is hiding more than he ever imagined. The obsessive Tsukuyomi has discovered that she was close to Isuzu before his memories were sealed, and she’s ready to dump his current personality and hook up with his former one all over again! Baroque and Lapis rush to the rescue, but are they prepared to face the fury of a maiden in love?!