MTL - The Supporting Female Character Is Not Behaving Again - Chapter 155 Headache 41

In a world fraught with innumerable dangers where living day by day is a struggle, a young man from the modern age transmigrated into such a world, accompanied by a peculiar system made for assassination.

The unparalleled Demon King Ye Xuan, who was able to heal the death or the living alike and holder of the medicine Holy Scripture, was betrayed and killed by his fellow Demon Kings. But he reincarnated into the body of Ye Xuan, the prodigal son of the Ye family and vowed to himself that he would return to his peak and take back everything that belonged to him!

- Description from Novelupdates

After causing a tech disaster in the real world, genius shut-in Rin Katsuro is sentenced by the gods and banished to Ereborn—a realm ruled by chaos, where ancient scripts control magic and dungeons feed on trauma.He wakes up in the body of a legendary war criminal—the Demon King's General—and is mistaken for the adoptive father of a demon princess.Armed with unstable “Error Magic” that lets him rewrite reality like code, Rin doesn’t want to be a hero... but when angels declare war on the demon races, and his daughter calls him “Papa,” he might just rewrite fate itself.This is the story of a broken man with nothing left to live for—until an entire world starts calling him Dad, Demon, and Destiny.

“The three elements of the easy mode of life: extraordinarily handsome appearance, exceptionally intelligent mind, and a healthy and strong body, and I have them all.”Reborn in a parallel world, the disciplined and outstanding high school student Yan Huan is preparing to welcome his glorious days.However... a decade later, he is spotted by five girls with strangely unique abilities.“...We all need to be full of positive energy.”Faced with the eager and aggressive girls, Yan Huan, who only reads the classics, says so.