I Leveled up from Being a Parasite, But I May Have Grown Too Much - Chapter 67 - Pioneer Village, Eigen

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

The eldest daughter of the Li family is beautiful and sassy, ​​she took space materials to flee famine, and after going through many difficulties in war, disease and epidemic, she united with her family to regain the glory and harvested a beautiful boy.

- Description from novelbuddy

Jiang Feng considered himself just an ordinary delivery guy.Until one day, a young man suddenly appeared, carefully grabbing his hand and saying, “Judge, Judge, I am the King of Hell.”“…” Jiang Feng replied, “King of Hell, King of Hell, I am also the King of Hell.”The King of Hell turned around, tearfully addressing the Black and White Impermanence, “I knew it, he’s been wanting to usurp my position for a long time!”—-“Those people all say that Heaven has the virtue of cherishing life, and tell me not to dwell on it anymore. Is it true that after people die, they don’t even have the right to appeal for justice?”“They look at life and death, I only judge right and wrong.”“Who are you?”—”The Judge.”

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.