The Main Characters That Only I Know - Chapter 354:

One day, a button appeared in front of me.

– Auto hunting by pressing a button.

After his death, Bern awakens 10 years into the past as the third prince of Kailis, the enemy country.

Inexplicably, she had crossed over to the end of the 1970s and was thrown into the mountains. Fortunately, she is rescued by a handsome soldier. Only later does she discover that Brother Soldier is actually the unlucky male supporting role of a historical novel. He was used and deceived by the heroine in various ways and finally dumped on the grounds of the progressive new era not supporting arranged marriage.

Damn, will such a good Brother Soldier will still end up like that in the future? If the heroine doesn’t want him, then step aside and let me have a go.

But how will we live in a time that lacks modern food and clothing? Hey, I bring something different, now I can guide this male lead to be well-fed and make the heroine get mad.

- Description from Novelupdates

The formless ancient world was infested with despicable demons. They hunted and feasted on mankind, keeping the human civilization constantly in a weak and suppressed state.