I was Caught up in a Hero Summoning, but that World is at Peace (WN) - Chapter 17 - Intermission: Miyama Kaito ~ Changing a Cowardly and Indecisive Heart ~

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.

Zong Shou woke up from a dream and realised that he had time traveled back ten thousand years, to an era before the God Emperor was had appeared in the world.

In her past life Gu Wei Wei’s heart was dug out by the man she loved, and transplanted into her best friend’s body. However, after rebirth she become Hua country’s number one conglomerate, Fu Han Zheng’s little girlfriend. She is being careful trying to take revenge against the people that hurt her. He protects her everywhere, pamper her to the extreme. Everyone said that Fu Han Zheng is cold and without emotion. That perfect husband that everyday tease her until she blushes and her heart beat, pamper her regardless anything, is it a fake husband?

After being dumped, nine goddesses of breathtaking beauty showed up at my door with marriage certificates, pressuring me to choose one of them to be my wife...