The Wrong Way to Use Healing Magic - Chapter 26Vol 1.

Year 2056, in a city in the Yuan Jiang Su Jin area. On top of a ruined, shattered six story residential apartment sits a teenager wearing a combat vest, militaristic trousers, and alloyed battle boots. On his back is a hexagonal shield and equipped is a blood-shadow battle knife. He sits there silently on the edge of the roof. At this time, the sparkling sky was shining and there was a refreshing breath within the air that blew towards him. However, there was only silence within the ruined, deserted city, with an occasional howl that makes your heart skip a beat.

- Description from novelupdates

I met the male lead in prison.

Just because she glanced at him once more in the crowd, she inexplicably “seduced” Capital's young Mr. Peary. So—“Uncle, I'm stuck at the police station.” Soon, a large group of black-clad, gun-holding people stormed into the police station, nearly blowing it sky-high.“Uncle, someone says she is your wife and told me to take good care of her.” In an instant, the woman disappeared, and a certain man physically demonstrated to her that he only has one wife.In public, he is the cold and ruthless CEO of MC. In private, he is a rogue husband who tries every means to coax her into bed.One day, a certain woman couldn't stand it any longer, clutching her waist and sobbing, “You're sleeping in the study tonight.”The man hooked his lips, “You seduced me first, you proposed to me, you wanted to have a child...”

What if Midoriya Izuku stayed quirkless? What if he could become a hero without any powers? Or even more shocking—what if he became the successor to All For One?