The Profligate Madam of the Family - Chapter 2219 - what are you asking?

For unknown reasons, he finds himself transported to a parallel world's Japan, unexpectedly taking over the body of a soon-to-be high school student who had died accidentally. Surprisingly, he did not inherit any memories. However, the first challenge he faces upon arriving here is a language barrier...Just as he struggles to communicate with his new family, a heavenly voice arrives: the black technology system has been activated, and the initial item—translation konjac—has been distributed.This is the story of someone with above-average intelligence but almost no physical strength in the Classroom of the Supreme Power.

No sign in, no punch card.

Do not rely on breathing, do not rely on walking, do not rely on heartbeat.

The system is produced in one step

- Description from novelbuddy

Died a Hero, Reborn as a Demon...

The strongest Hero in the world killed the Demon King, the most powerful demon ever to appear on Earth. He achieved something which no other hero could ever do.

But alas, the Hero never expected his own girlfriend, his own friends, and the organization he trusted to suddenly turn against him and try to kill him.

It was the cruelest blow he was ever dealt in his life.

He still didn’t give up and tried to stand his ground, but they had come prepared, and he was caught unawares in their trap. He fought to his death only to find himself transmigrated into a demon’s body!

But who would have thought that he would be the husband of the Demon Queen!

However, life as the royal consort was not easy at all. So read to find out how he is going to overcome those trying to step on him and finally get his revenge.

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“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.