Sexually Trained by My Fav Character After Reincarnating as the Villainess

I never knew the villainess had a sexual discipline route.
The heroine passes away due to an illness, and the world she is reincarnated into. Is that of her most beloved otome game. Albeit, as the villainess.
While she successfully enrolled in the magic academy that was the setting in the game, her villainess character and her favorite male character did not have any point of contact. As such, she mulls over how she can get on good terms with him but unexpectedly, he hits up a conversation with her first. Has this never happened in the game? A little anxious, she is nonetheless elated at the development. But then, that character who is supposed to be kind and gentle (at least in the game), forces her to swallow some kind of magical drug and...

Official Translations:
English, S.Chinese, T.Chinese, Korean, Spanish