Conquering the Tower Even Regressors Couldn't - Chapter 2: The Waiting Room (1)

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

The brash Li Chengfeng makes a living through trickery with his clueless but loyal servant, Xiaobao. One day, the love of his life is murdered, making him a suspect, and he meets a demon who suspects he is the reincarnation of a traitorous immortal.

On an ordinary day, an inventory livestream descended upon the dimensional multiverse. Those who were selected all had a faint blue light screen appear before them.Immediately after, large characters appeared in front of them.《 Dimensional World Inventory — Top 10 Famous Scenes 》 Scene 1: One person, one sword, guarding a city, battling seventy thousand...Scene ***: The man who almost kicked out the grand finale, Eight Gates Formation! Might Guy!Scene ***: Menma, I found you!Scene ***: .....As one scene after another of regretful characters appeared, everyone watching the scenes shed tears.Monkey D. Luffy: That's amazing, one person, one sword, not only fought against seventy thousand people, but also returned alive?Uzumaki Naruto: I didn't expect that seemingly ordinary guy to be so powerful!Uchiha Sasuke: The one who made the final save was actually you.Jinta Yadomi: Menma, we found you~Everyone: Menma, we found you~Honma Meiko “Menma”: Hi! I've been found!

Kuramoto Daisuke, a freshman in High School was suddenly exposed to someone vanishing in front of him. Turns out he was admitted to a Special Class full of Isekai Heroes that were regularly summoned to Otherworlds since the start of their Middle School. He was told that he was to become their Support to prevent each of the Heroes' fate of dying in the world they were summoned into. Though mediocre, he realized that his ability has a great potential but it needs a lot of hard work on his part.

Unconvinced of being just the Support Character, he vowed to excavate his mediocre ability, all the while supporting the Heroes using it.

And maybe more.