MTL - Considering the Possibility of Falling in Love With the Villain - Chapter 63 Promise

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

The Student Council President’s Secret Laid Bare (生徒会長のセキ裸ラな秘密) is fairly standard 2D Dream Bunko fare but with an exhibitionism theme.

Basically, it’s about a guy who discovers the student council president is an exhibitionist and gets roped into helping her with that fetish.

Ye Huai has two goals in his lifetime: to be a good doctor, and also to be a good doctor who is surrounded by handsome men.

Unfortunately, after being a doctor for 10 years, he lost his job because of a very handsome man.

What should he do?

520: Congratulations! You have been successfully bound to system number 520. The Save the World Task Set is coming soon……

Ye Huai: ? ? ? ! ! !

So, today Doctor Ye is busy saving the world……

520: Lies! You are clearly trying to pick up guys!

Ye Huai: No, I am very dedicated to fulfilling the great ambition of saving the world.

Narcissistic and Complex Shou X King of the Silver Screen Gong, along with the newborn system number 520 whose three views are crumbling and reestablishing every day.

- Description from Novelupdates

Nagi who was summoned to another world acquired the「Skill Structure」skill.

Nagi felt the hints of black job from the king’s request 「To defeat the devil king」. He leaves the castle and starts his journey with a slave girl.

The small demon girl Cecyl, the melee-fighter beast girl Rita , Aine the onee-chan maid, Regii the cursed sword.

Rafiria the warm and fluffy elf and Iris the sea dragon shrine maiden.

Nagi rewrites the girls’ skills and made them into 「cheat characters」one after another.