I Need a True Ending to Graduate

I was a week away from my graduation thesis defense when I found myself possessing Lucia in the 19+ romance simulation game, <Doki Doki Magic Academy>, which I had pre-ordered long ago. According to the game system, I had to fulfill three conditions to return to my original world... Become the protagonist 'Lucia,' write a graduation thesis, and graduate from the Magic Academy. Sleep with all three romanceable characters and achieve 100% favorability with each of them. Uncover Lucia's hidden secret and see the true ending. I was flustered by this absurd situation that I was experiencing for the first time, but I decided to think as positively as possible. As it happened, I didn't want t...