Stealing Spree - Chapter 2419: Swimming Class Ends

In a world where any normal human could create elements at will, Aziel Mateo came into life and was left in an orphanage.Humans from this world were granted magic by the universe when they turned fifteen years old. These blessed magic users served under the twelve gods.Aziel Mateo, a kid without visible talent found that he also couldn't do magic as he wasn't blessed by the universe.He decided to train himself in order to fill the gap between magic users and himself. However, he still found himself lacking, as the magic users can become stronger with their magic.Aziel Mateo later got admitted in the Academy but felt like an outsider, always being bullied, and rediculed constantly. Still, he continued his training in the shadows, slowly but surely he rose up to the ranks of the strong students without using magic.When everything seem to finally going his way, he was ambushed during their training camp, and left there to be eaten by a beast.However, this tragic event forever altered the course of his life in a positive way.Aziel Mateo survived that ambush and was brought into a cave where he saw a woman, introducing him the magic chest that was full of magic scrolls. The scrolls that contained forgotten arcane knowledge for magic.The woman revealed herself as a goddess who was betrayed. She helped Aziel become stronger for a cause. She needs his help in getting vangeance, in getting the justice that she deserves.Aziel Mateo obtain the ancient arcane powers, and become stronger that he didn't thought he could attain, not even in his imaginations.

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

Attribute Classification: Overhead/Western Magic/Strong Attack/Sweet

- Description from novelbuddy

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates