MTL - My Master Disconnected Yet Again - Chapter 642 Mantian

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.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Ren Zhu: Quiet! Quiet! Look at the blackboard! I’m going to start teaching!

Bear child 1 [1]: Hahaha! Who is this weak chicken!

Bear child 2: May as well dance than listen to class. Why start the class!

Fake good child: Sit upright.

Ren Zhu: ……

Bear child 1: You received the class teacher’s quiet gaze x 1. Physical strength -500. Entered the weak state!

Bear child 2: You received the class teacher’s deep gaze x 1. Intelligence -50. Entered the mentally retar*ed state!

Fake good child: You received the class teacher’s gratified gaze x 1. Intelligence and physical strength +50. Entered the excited state.

Ren Zhu: My goal is to teach and educate people, and bring love to every bear child. Thank you.

- Description from Novelupdates

“I saw with my own eyes that they used the finest, rustproof refined steel to make utensils and cans, filling them with just a little food, then casually throwing them away after eating.”“I saw with my own eyes that they used giant beasts as tall as mountains to devour soil and rocks, digging out underground cities, just to park their steel carriages beneath the surface.”“I saw with my own eyes that they fed glowing ores into an everlasting stellar furnace, unleashing a radiance brighter than the sun.”“I saw with my own eyes all those indescribable things.”“Their iron birds covered the sky, their steel ships filled the ocean, their war machines tore the earth asunder, and their gods walked upon the world.”“You must think I’m mad.”“But it doesn’t matter.”“It has already seen you.”——————Oil is Its blood.Thick smoke is Its breath.Ore and steel are Its food.The countless cargo ships in the harbors are Its myriad offspring.The place of origin stamped in the corner is Its silent mockery.They claim they are mere mortals.Child, you’d best not argue.You must understand:Their technology is beyond comprehension.Their production capacity is unimaginable.A mere glimpse of their creations will drive you insane.Their morale surpasses even the most fanatical worshippers of dark gods.How will you stop them?With your sword, child? Or your flesh and blood?You should be grateful that they still consider themselves mortals.——————“I’ve finished building my factory, and now you’re telling me this world runs on idealism?!”“Wait, then what the hell did I just create?”