Extreme Almightiest Young Master - Chapter 2015 - 1997: H—How Many...?

Kawaki, who was born in the dragon vein of a planet (Altana), first met Umibozu who was traveling in the universe, and his girlfriend, Kouka.Later, he came to Earth by accident and met the teacher who affected his life —Yoshida Shouyou.He also met a group of friends. The most conspicuous among the group of friends is a fool with silver hair and naturally curly hair, a short man with purple hair, and a little devil whose catchphrase is “Not Zura, it's Katsura!”Gintama Doujin, not transmigration.

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?

- Description from Novelupdates

Collection of short stories.

- Description from Novelupdates

She is an orphan with no blood ties to him, calling him 'young uncle', yet he regards her as his possession.He is the heir to a powerful family, the all-powerful Crown Prince of Elysian City, yet for her, he lays an inescapable trap, meticulously plotting every move.From the moment she stepped into the Rhodes Family ten years ago, her fate was already sealed.When she is bullied and seeks revenge, he impassively indulges her in her vengeance.Having been alone since childhood, she yearns for affection; he weaves a web of love, letting her fall and lose herself within it.Little did he expect that one day, his possession would escape his control...The person she loves is someone else!He transforms into a demon, cornering her, “Nina Wynn, you dare to love someone else?”Nina Wynn dares not look him in the eye, “You are my nominal young uncle, I dare not love you.”He presses closer, “Is it 'don't want to' or 'don't dare'?”———Later, as night falls, The Valorian Crown Prince holds the treasure in his arms, his eyes bloodshot, paranoid yet helpless as he begs her, “Nina, don't stop loving me.”