Tangled in Moonlight: Unshifted - Chapter 238: Ava: A History of Magic

What if Midoriya Izuku stayed quirkless? What if he could become a hero without any powers? Or even more shocking—what if he became the successor to All For One?

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

- Description from Novelupdates

During a trip to gather medicinal herbs in the mountains, Wu Xiaoyu accidentally acquired the legacy of an immortal, gaining access to a magical breeding ground from the celestial realm.From then on, Wu Xiaoyu began farming and cultivating medicinal herbs, embarking on a dominant journey as a rural immortal physician, all while achieving great wealth.

Kurt was born to a poor Baronetcy of Arnold. He was a genius pastry chef in the previous world.