After Jin-Woo's war with the sovereigns in the gap between dimensions he returns to earth. But when he returns the rulers request of him to save another world. When he accepts he is summoned to the world of rising of the shield hero.
After he enters the portal, Sung Jin-Woo was transported to another world. He was entered into another world in Fairy Tail. Jin-Woo joins their guild and he keeps his Identity he's from another world and most powerful possessed his magic.
Jin-woo is the strongest demon hunter since his farther and was sent to a new dimension by an extremely dangerous demon. He has to find his way back before his World ends, the system frotunatly still works and he still has his necromancer abilitys. Now with igris and his army he will make a new name for him in a world...
DONT READ IF YOU DONT WANT SPOILERS. EVERYTHING IS SPOILER IN HERE. READ AT YOUR OWN WILL. ALSO ITS FANFICTION. All for one breaks out He destroys everything He destroys his son's life He passed everything on to him, trying to make him into the most powerful weapon Izuku doesn't yield And so he rewound everything
Saiki somehow gets wrapped up in becoming a teacher for assassins, where they all have to kill their other teacher, Koro-sensei. This is inspired by ChikaShane's fanfic oneshots, please check her out and I recommend reading the assassination story she made. It's really impressive!