I choose a C ranked hero in another world, I was mocked online - Chapter 342: All Humanity in Fear! Alien Invasion!

A Di [legitimate-born] daughter of a noble house turns into an abandoned daughter. No father to dote on her, no mother to love her, no problem. She uses one silver needle to save a dying man. What’s so unusual about a medical injection? She roams all over the world with a scalpel in her hand. Cutting throats, cutting open abdomens, cutting open skulls to mend bones. With amazing medical skills and ethics, she gathers a flock of officials, obtains the will of heavens, gains public favor, and receives Taizi’s [Crown Prince] doting. In the midst of a powerful momentum, her cheap father comes to reunite. She coldly refuses to go home or acknowledge ancestors.

“Teacher Zhu, the retake student from your class has arrived.”When the security guard brought Chen Nan to the entrance of Class One in the third grade, Zhu Keren's beautiful eyes instantly revealed a look of disbelief, but more than that, there was panic and unease.She hadn't expected that the young man she had encountered on the bus would turn out to be a student in her class.This made her scalp tingle, and she felt almost suffocated.After all, she was an advanced teacher at the school, whose reputation and teaching ability were well recognized.Yet previously, she had behaved like a slut, taking the initiative to grab Chen Nan's vital part, even seeking pleasure in her own private area.

The ‘meddlesome’ high school student Mamori Suzufumi helps a starving neighbor who had collapsed in the apartment next door by some chance.That person turned out to be the popular high school idol, Sasaki Yuzuki!Yuzuki had been on an excessive diet to maintain her ideal idol image.But when the worried Suzufumi serves her homemade cooking, she eats it with a face full of happiness while screaming,「——Aaaaaah… I can’t take it anymore!」With a face full of happiness, she finished her meal.Falling in love with her hearty appetite, Suzufumi decides to tempt Yuzuki with her favorite foods to make her fall for him through ‘food seduction.’Pork bowl, ramen, okonomiyaki——「I definitely won’t eat it!」That’s what Yuzuki says, but once again, she finds herself craving Suzufumi’s cooking today──

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories.Though he was surprised by the magic and the strange species of that world, he adapted very fast 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 tight 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 new students.