Keisuke is an admitted club crasher, but after a bad experience he started hiding his face and living a quiet life at university. One day, he meets a straight man at a club and has a one-night stand, he finds out that the other person is his junior from the same university, Makoto...!? Although Keisuke was only playing around, he was overwhelmed by Shinto's passion and insisted on going out with him. They end up having sex whenever they feel like it... An innocent, sadistic younger seme and a slutty older uke with a secret weave together a physical first love story!

[Sophia,](https://www.cmoa.jp/title/281309/) the daughter of a knight, is asked by a distant relative, a marquise, to take the place of her brother in a political marriage. For the safety of her brother, she is forced to go to a neighboring country, but her partner, Duke of Julius, soon discovers that she is an impostor. In the midst of this, Sophia notices an assassin who is after the Duke, and she risks her life to protect him and nearly dies. Choose. "Death in peace or life in purgatory". When Sophia wakes up again, she is the "favored princess" of the vampire duke's household, a very special one among them. The knight's daughter changes the destiny of herself and her kingdom under the doting love of the vampire duke!