MTL - Returning From Level 900 - Chapter 268 smart and stupid

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Su-jin is a high school student whose life is filled with loneliness. Weighed down by school bullying, personal struggles, and isolation, she finds herself growing weary of everything. At that moment, a mysterious shadow enters her life—a man she only sees in her dreams, through his face remains hidden. Surprisingly, his influence extends beyond her dreams, shaping her into a stronger, braver, and happiest person.As time passes, Su-jin finds herself drawn to him, yet his presence brings more than just emotions—it leads her to extraordinary friendships and unexpected adventures.Among them is Yeong-ae, a skilled spy who enrolls in Su-jin's school to investigate the mysterious death of a girl named Ha-na. And then there is Jung-hee, a young detective who begins working as an undercover high school student on a major case. Along the way, she unexpectedly meets Su-jin, which gradually develops into a deep friendship.Day by day, Su-jin's life becomes like an adventure book; each page of which becomes an unfolding adventure filled with excitement, romance, secrets, challenges, and discoveries. But in the midst of this mystery, will she ever find the invisible man who stole her heart?

Batman: “You can't deny that your brother, Superman, brought about Zod. The two of them battled and nearly destroyed half of Metropolis. Countless people perished in that disaster—do you want to take a look at the list of casualties that could drown a person?”David: “He was adopted.”The Flash: “Why don't you step up like your brother and lead the heroes on the front lines to protect the world?”David: “I don't possess the same kind of power as he does.”Wonder Woman: “Are you saying that when Superman was punched by Doomsday, you would've gone up there and given Darkseid a round of military combat?”...Transcending into the DC world, David finds himself becoming the newborn son of Superman's foster parents, gaining the Thanos template at birth. Moreover, by influencing the emotions of plot characters, he can accelerate the fusion of templates and unlock new ones?The Hephaestus template—loaded. The template of a million stellar sentinels—loaded! The template of the divine Celestial Arbiter Arithm—complete Phoenix Force template, Golden Planet Devourer template...

She was the head of a powerful, medicine-orientated aristocratic family.

Crossing through a millennium, she ended up in the body of the General Household’s “trash” young miss, whose engagement with the Crown Prince was just broken as she suffered under everybody’s taunts!

In the drafting feast, she was re-engaged by the Emperor to marry the famous disabled prince!

Everybody laughed, a blind trash with a disabled wastrel. What a perfect match!

However, they didn’t know that in her hand, she grasped the long-lost primordial pill recipes! Her practice in medicine had reached the apex! Her contracted beasts were unique in the world!

What was the most frightening, was the disabled prince she was engaged to…….

A black-belly full of dirty tricks, with a heaven-opposing cultivation physique, he defeats all geniuses!

In his wheelchair during the day, yet entangling her in bed as he trained his waist muscles… MF! Is he really crippled!?

- Description from Novelupdates