MTL - Master of Ninja World - Chapter 15 Particle gun

Zephyr Ashbourne has been a mage for two months. Following one eventful night where he accidentally made a pact with a werewolf deity, he's left with the ability to use magic - much to the dismay of his vampire ex-girlfriend who'd been seeking magic for herself. Now Zephyr is attending a small and selective university for mages half way across the world, the Midnight Court. Though quickly, he learns this new power comes with new problems. His ex-girlfriend, for one, wasn't thrilled when he skipped town without a word. And too, his new dueling partner, Aries de la Fel, seems to find new ways to push his buttons on the daily.A novelization of a playthrough of Covens of Midnight - a slice-of-life, magic school, enemies-to-lovers RPG.

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates

Reborn into something new and in a new world, Morgana found herself with no memories about her past. She lost them when a powerful entity took pity on her and offered her the chance to be reborn in her own primitive world.A letter left by her past self told her about... well, nothing really. The old Morgana was glad when she learned that she would lose her memory due to being reborn as part of this deal. She accepted without hesitation, especially after the powerful entity explained everything in detail.“WHAT!” Morgana exclaimed, reading the letter. “We’re both BIG perverts! And what do you mean by spreading my legs and pushing out many babies?”“EXPLAIN!”Reborn with stunning silver hair, crimson eyes, and a Futa, Morgana now belonged to a new race called Breeder.Follow the journey of Morgana as she tries to survive in this primitive world, with a LOT of Breeding.…[Warning: This story contains heavy R-18 sexual content, including pregnancy, futanari, Incest, breeding, and more. Read at your own risk.]

If I were to fall into a game, I wish I would fall when I was young.