MTL - Study Days at Hogwarts - Chapter 45 Late... self-study?

What was in the container that nobody wanted?What could be found in an abandoned warehouse?You thought there was only junk? No, no, no!Antique jewelry, limited edition racing cars, aerospace instruments, helicopters, cattle'... be creative so that you'd come up with a lot more!With the ability to turn waste into treasure, Zhu Yu, who had awakened the heavenly eyes, collected unlimited wealth from the unclaimed containers, and walked step by step on the road to success!

Rolan died in heart attack after reading his favorite novel nonstop for days without sleeping or eating. Reincarnating in the Fantasy world after passing. Into a stone? No! Sword? No! As a slime? No! But a Mimic!With him reincarnating, he shapeshifted into human after copying monsters and absorbing the mana of Demon King.He found a village and used his skill Evolution and evolved them all. Also found and rescued tribes that has a class that Rolan Evolved too.Making him a Lord by them as the Demon Empire and Holy Empired deemed their existences as a threat. Now, the tales of a village into a Kingdom begins! A Kingdom-Building story unfolds!

Su Ran, a music prodigy, woke up transmigrated into a book.

At that point in time, the main story arc in the book had already been completed. As a villainess female supporting character, not only did she need to take over the original owner’s pitiful life in poverty, she also gained an instant son right at his rebellious period.

Ten or so more years from then, the son would turn into a twisted, evil villain. He would appear in one of the extra chapters to pick on the male and female lead’s children.

***

Su Ran: Son, you shouldn’t be too outstanding.
Su Han: Why not?
Su Ran: ’cause you will be killed.

Su Ran: Son, would you like to learn music from me and become a zen, little fairy boy who only needs to drink dew.
Su Han: No, I want to go into business so I can support you.

- Description from Novelupdates

Jin Yeong was just another office worker—forgettable, unremarkable, and stuck in a life that never went anywhere. He wasn’t strong. He wasn’t talented. In a world of ambition, he was just… there.Then, the sky cracked open.A voice echoed across the world, mocking humanity’s weakness. A system was given. A chance to survive.People awakened powerful abilities—fire, lightning, super strength. Jin got this:[Limitless Weapon Mastery]“Any weapon you wield is used at its maximum potential.”No fire. No magic. No enhancements. Just a simple skill?But soon he and the world will learn a simple truth:It’s not about what you wield. It’s about how you wield it.