Isekai, reincarnation, romcom of a Yandere Prince × super insensitive villainess daughter! In a meeting with Prince Dylan, Belltier suddenly recalls her previous life and realizes that she has been reincarnated as the villainess in an otome game. In order to avoid the bad ending, just as she thought to distance herself from the Prince, she was chosen as his fiancée. "Do not let the prince have a sad childhood!” It's only 5 years until the lonely prince meets the heroine. She is a temporary fiancée, but she decides to become a friend and support him until then. But as we get along smoothly, the skinship of the prince gets intense?! I love you so much. Not the heroine, but I have been doted on ──?!!