MMORPG: Martial Gamer - Chapter 1532 - Common Sense

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.

She roused from a pool of blood, vowing to exact retribution on those who had harmed her.

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

Solminati Academy is a gathering place for youngsters with dreams, hopes, ambitions, and various thoughts. There was a boy here who entered the school to support his beloved’s dream.