Hakai Me no Yuuri - Chapter 50: Inspecting the Transformation Magic

Ayaan is a young resident aspiring to be a surgeon, the final stage of a full on graduated plague doctor. However, in her attempt to redeem herself after a sudden discontinuation, she finds herself unravelling mysteries about her institution that are rather gut wrenching. Stick around and watch her persevere in a world full of monsters; creatures and humans alike.

There is always such a person in the world who likes to take their ex/Bai Yueguang/best friend as a stepping stone for their love.
These exes/Bai Yueguang/Girlfriends are called female supporting roles. They obviously did nothing. Just because they were involved with the male and female protagonists, they were trampled on, hurt, and even left a shadow that will never go away for a lifetime.
Jiang centrifugally felt sorry for those innocent girls, so he traveled from one world to another to help them cross that hurdle.
However, after a certain world, the mission is obviously wrong.
Jiang Li: “I will treat you well.”
“It’s not enough.” The girl imprisoned Jiang Li in her arms, breathing warmly: “Don’t leave, you must always be good to me, only to me.”
Jiang Li: ? ? ?
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Finely divided slice attack x natural sweet and soft feeling
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World One: Campus
The taciturn facial paralyzed “bad girl” x the rich lady who is cold on the outside and hot on the inside
World II: Cultivation
Swordsmith x Sword Spirit

World Three: The World of Beasts
Orc Princess x Totem (Big Cat x Little Rabbit)
World Four: Game of Death abo
Tsundere Big Brother x Super Rookie (Double O)

World Five: Spirituality
Ghost King x Rookie Celestial Master
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Edible guide:
#1v1 Unshakable
#Su Shuangwen, everything is for Su Shuang
#gongjing is divided into slices, being indifferent to others, sweet and soft to attacking

Content tags: system sweet text fast wear cool text
Search keywords: protagonist: Jiang Li ┃ supporting role: a lot ┃ others: fast wear, system, sweet text, mutual favor
One sentence introduction: you are sweet

- Description from novelbuddy

Li Feng found himself in a dangerous demonic sect where he could be killed at any moment. But he was worried as he had his ultimate upgradation system.Blood Essence Pill -> Blood Origin PillTurtle Breathing Mantra -> Xuanwu's Great IsolationPhantom Spirit Fox -> Nine Tailed Celestial FoxJust like that, Li Feng was confident that he would be able to become stronger at a very fast pace and would be able to survive in this dangerous demonic sect. Not only that but as his parents were killed by some of the disciples of this demonic sect, he was also going to take his revenge on them. With his system's assistance, Li Feng was confident to reach the pinnacle of cultivation.

Once upon a time, everything was awesome on planet Earth.People were chilling with their families, tech was super advanced, and they could even travel way out into space. Animals taking care of the food chain like they always do.But then, bam! Something crazy happened, and everyone got zapped to this super-dangerous place along with some weird alien folks of many types.Follow Lucas, a regular dude, as he tries not to get wrecked in this crazy new world.Some folks got cool skills to survive, but all Lucas got was the power to build a fancy shelter that could level up. Sounds lame, right? But turns out, it might be his ticket to not getting squashed.So, get ready for Lucas's wild ride as he figures out how to survive in a place that's basically a nightmare. While others are doing ninja moves or casting spells, Lucas is just trying not to get eaten. Little does he know, his so-called bad luck might just be the thing that saves his sorry butt.Join Lucas in this epic adventure full of surprises, where he builds his shelter, faces crazy challenges, and learns that sometimes, what seems like the worst luck ever can turn out to be a total game-changer.It's a story of survival, discovery, and how even the simplest guy can rock a world that's turned upside down.