MTL - Heavens: Be a New Man - Chapter 920 seems to point

Lu Xun was beheading demons and exterminating evil, not knowing what a worthy opponent was. On that day, Lu Xun found himself defenseless as he was beaten by a powerful female demon, unable to fight back, and was forced into marriage with a young demoness.“A real man should not dwell under the influence of demons for too long!”With impassioned words, Lu Xun successfully married into the demon clan. The young demoness was a 400-year-old golden snake, cold as ice, and arrogant. The powerful female demon was a thousand-year-old white snake, mature and charming, with captivating beauty. The little female demon was a 200-year-old fox, mischievous and adorable, full of liveliness.“Something’s not right!”“These female demons are not normal!”However, Lu Xun gradually discovered that not only were these female demons suspicious, but there were even more peculiar things happening outside!

In 2100 at the turn of the century the first full dive VMMORPG game 'Omega' was released

[No fixed CP + wear books + brain hole cool text + women disguised as men + group pet]

Gu Lan crossed over and became the cannon fodder of the original book disguised as a man, counterattacked the protagonist of the original book who slapped her face, and lived in a dormitory full of sickly beauties.

Until one day, she discovered that her roommates were villains from other horror novels. After discovering the secret, Gu Lan thought she would be killed, but her roommates all looked at her strangely… Contrasted with cute Zhengtai, sickly and beautiful boy, split personality school girl, cold and stern school bully, romantic and noble son who plays Shura every day field.

- Description from novelbuddy