MTL - After Wearing the Book, I Became the Second Mary Sue - Chapter 468 specify

The character with the highest difficulty and the worst performance, Baek Yuseol, was considered a trash character in-game because he could not use magic in a fantasy setting where everyone else could.However…[Because the wrong ending has been reached, 90% of Aether World has been destroyed.] [Please reach the “True Ending.”] Suddenly, those words echoed in my mind before I was transmigrated to the Aether World.[You can use the skill “Blink.”] “Just why did I possess this character?”Blink was the only magic skill I had.Surviving in Stella Academy among genius mages, I became the notorious Blink Mage.Alternative title: I Became A Flashing Genius At The Magic Academy

Klaus had spent his entire existence as a puppet, bound by the strings of fate. However, a miraculous turn of events granted him a fresh start. The remnants of his former constraints smoldered in the ashes of his past. Now, unshackled and determined, he resolved to forge his destiny according to his own desires. No one, not even a deity, would be spared if they dared obstruct his path. Klaus was ready to wield the sword of vengeance and carve his own fate in the annals of history.

After five years, Ning Xi has returned and is out to take revenge on the sister who turned her parents against her, and the childhood sweetheart who betrayed her for her sister. She aims to fulfill her childhood dream and become a famous actress. However, her sister is still out to get her and she has to avoid all her underhanded schemes.

One day, after falling into one of her sister’s schemes, she meets an adorable little boy and saves him. His father then offers to repay her with his body: “Marry me.”

Ning Xi: ???!!!

Little boy: -sad puppy dog eyes-

Thus Ning Xi starts staying at the mute little boys’s house to help him come out of his shell… cue lots of comedy, some flirting, sweet moments between Ning Xi and little bun… and maybe big bun too.