MTL - She is the Third Kind of Stunning - Chapter 77 kiss goodbye

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

My Girlfriend's Mom Is Very Seductive

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!