Invisible Security Guard - Chapter 8 The Bomb is a Brick

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----

Traversing into another world, Zhang Xuan finds himself becoming an honorable teacher.

Along with his transcension, a mysterious library appears in his mind.

As long as it is something he has seen, regardless of whether it is a human or an object, a book on its weaknesses will be automatically compiled in the library.

Thus, he becomes formidable.

“Emperor Zhuoyang, why do you detest wearing your underwear so much? As an emperor, can’t you pay a little more attention to your image?”

“Fairy Linglong, you can always look for me if you find yourself unable to sleep at night. I am skilled in lullabies!”

“And you, Demon Lord Qiankun! Can you cut down on the garlic? Are you trying to kill me with that stench?”

This is an incredible story about teachers and students, grooming and guiding the greatest experts in the world!

- Description from Novelupdates

Year 2099, the world as we know it now advanced in technology. Learning has become easier, and so is transportation. But in this new advanced world there is undoubtedly problems, beings who want to use the new technology to bring chaos and strife to humanity. Xander, a 17 year old normal High school boy buys a new MMORPG game and through it, he improves his skills in all aspects. He lived a normal life until one day when his father, who abandoned him and his mother for a year came back, claiming to be the leader of a group of super humans. This was the day Xander’s life changed. He was told he will get a power to stop the enemy but what will it be? Is he even ready to take on such a responsibility? Nobody knew that this enemy group were in charge of G. CO, the creators of League of Guardians virtual MMORPG game. What they plan to use the game to accomplish was... absurd... but anyway, read to find out. Let’s Follow Xander on his journey as he becomes the strongest Super human and save humanity from doom. ... [You have killed level 51 reaper] [Do you wish to demonify, level 51 reaper?] “Yes.” [You have created a new demon, Lich] The ability to create demons from dead creatures. With this power he shall defeat his enemies and get his peaceful life back.

Gou Liang was originally a small office worker of the Space-Time Administration Bureau but because of a weird questionnaire, he was sent to multiple worlds in order to complete a mysterious and arduous mission — to use the correct posture to awaken lord god.