DxD: Matsuda? - Chapter 81: My First Love Benemue?

Lin Mu Yu is one of the top players in Conquest the game before Destiny. He decides to delete his account due to a promise with his father.

Before he deletes his account, he sells all of his equipment and deletes all of his skills. After deleting his account, he suddenly gets his deletion overwritten by a mysterious source and ends up getting trapped in the game itself.

Without anything except for 3 of his skills, how will he survive?

- Description from Novelupdates

In a world where Magic reigned supreme, Ruling over the Mythic Elements were the Holy Magicians of the Sacred Elements.

A young prodigy, Gabriel was selected as the Holy Priest in the Church of the Magic of Light. He was the youngest mage to awaken the most coveted element of light; his future was supposed to be bright... But one day, he disappeared as if the darkness had swallowed him up.

As Gabriel walked on the thin line between life and death while fighting for his life, something came in his life... Something that was going to change his life and the world forever...

Step on this unforgettable journey of light and darkness that transcends boundaries of space and time like never before...

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move: