Wings of Seduction: Bust 'em out!

The protagonist, the hero of the Fire Dragon, embarks on a journey to defeat the Demon King with his childhood sweetheart, Fine, and his best friend, Gard.
A succubus tempts them in various ways,
leading to betrayal, infidelity, the collapse of friendships, and the protagonist's own army's downfall.
The story depicts everything from the setup leading up to the temptation to the consequences after succumbing to it.

Burned out from studying, a man checks into a hospital in search of rest. But this place is far from ordinary. What begins as a quiet stay soon slips into something surreal - -where the line between reality and nightmare starts to blur.

With every passing night, doubts grow. You must question what's real and slowly uncover the hidden truth buried within these halls. Only by surviving all five nights of despair will the full picture come into view.
 
During the day, you’ll explore the hospital, meet eccentric patients and staff, and progress through various quests. Through conversations and events, you'll uncover fragments of the story and gather crucial clues.

But when night falls, everything changes. Those familiar faces transform into terrifying creatures. You’ll have to hide, run, and make clever use of limited items and your surroundings if you hope to survive until morning.

The protagonist has been going through school life with his childhood friend, Akari.
He’s now a second-year student at Yuunagi Academy…
In schools these days, you get “points” based on your test scores!
You can buy anything with points, and they can even replace part-time jobs!
While there are still things that need improvement, the protagonist was living a very peaceful student life.
But one day, the academy is suddenly taken over by a certain organization!
It seems this school has been chosen as the site for their experiment…
With just one rule added, the power dynamics between boys and girls change drastically!
You can steal points just by making your partner climax!?
Will the protagonist be able to graduate safely!?

The other world is on the verge of ruin, and there's only one way to save it... the princess needs an heir. There's just one problem -- there are no men to give it to her! That's where I come in, whether I like it or now. I've been summoned to this world to save it from a horrible fate...

In this world, summoners summon people from other worlds, make contracts with them, and fight and solve problems together.
Shino, a human from another world, lived happily with her summoner and lover, Phil.
But one day, a pair of demons suddenly appeared and kidnapped Phil.
Shino's strong contract was forcibly severed, leaving him weakened, and then, after a problem during their escape, he was sent to an unfamiliar land.
But still, Shino decided to journey through this dangerous world in order to get his precious lover back.