The episode follows Diana as she receives a mysterious coded letter that leaves her confused. After deciding to ignore the message and sleep, she wakes up to find a mysterious stranger—later revealed to be her cousin, Spica—in her bed. Spica is another capture target from the original game, and his sudden appearance causes Prince Sirius to act differently, signaling potential turmoil for Diana's attempts to avoid the "Bad End".
There are two special recap episodes, 3.5 and 6.5 , featuring voice actor Tomohito Takatsuka. The episode follows Diana as she receives a
Ouji no Honmei wa Akuyaku Reijou (English: The Prince's Favorite is the Villainess ). 3.5 and 6.5