My Girlfriends Are Hardcore Yanderes - Chapter 1: Unfair World

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.

Ye Yuwei, a natural-born adorable girl.Driven by her dream of becoming an idol, she joins the 'Galaxy Girl Group,' only to discover that her teammates are far from pure-hearted white lotus flowers, innocent little rabbits, or simple-minded beings with no cunning intentions.Most of her teammates are scheming and cold-blooded, with a beautiful exterior masking their venomous hearts—they're masters of manipulation and experts in internal disputes.Under fierce competition,Ye Yuwei is ultimately framed by her teammates and ends up shelved by the company.She thought her idol career had come to an end.But unexpectedly, the company decided to repurpose her under the principle of making use of 'waste' by sending her to participate in a talent show.Amid widespread criticism, she rises to fame as a top national idol and experiences her first romance in life—the hot-blooded and passionate love of Long Zitao, the president of Dragon Entertainment.You think this marks the beginning of a perfect life?No, following her rise to fame, she not only has to endure exploitation by the company and deal with bizarre fans but also face challenges from various major figures, unspoken rules, and her ulterior-motive-filled former teammates…

On her wedding day, she was humiliated; her status as the legitimate wife was instantly changed into that of a concubine.

“wh***! Marrying you is my life’s shame!” These were the hurtful words that came from her childhood sweetheart, now husband.

….

Jiejie, jiejie, thank you for your sacrifice. Jiejie, if you’re kind then go. Meimei will replace you and take good care of your husband, to help you enjoy the blessings that you are unable to enjoy!” these words spat out by her smiling cousin made her whole body feel cold.

….

“You are shameless! There is no need to say anything! From now on, our Shen family will not have you as our daughter! Someone! Throw out this shameless woman!” These were her relatives?

…

Becoming the target of criticisms, and being submerged in a small lake, she realized that all of this was the result of another person’s scheme – but it was already too late!

…

Instead of dying, she went back to the past, back to where both feelings were still alive and were loving towards each other; back to when she was not yet an orphan but the doted on Di daughter of the Shen family.

No matter what, in this life, she would never allow anyone to hurt the people she loved. And those people who harmed her in the previous life, she would make them pay the price!

- Description from Novelupdates

Suzuki, an adult programmer, suddenly notices that he’s been thrown into a different world while wearing a casual clothes at level 1. He gained high levels and treasures after using the 3 times use-disposable-magic, Meteor Shower, once. After that he intends to do different world “sightseeing tours”? He meets 3 beast girls, beautiful purple and black haired sisters, and an eccentric blonde haired elf girl along with various people during his trip. Although there are occasional fighting with demons and demon lords, this is a heartwarming fantasy story at heart.