There exists a certain type of person in the world:

Their eyes see no colors, only black and white; they hold no hope for the world, only despair; they lack the will to live, accustomed to curling up in the shadows of darkness.

As part of a newly developed batch of caretaker systems designed to help such patients rekindle their love for the world, System 2020 is very enthusiastic about its work. It has even studied numerous cases from its predecessor systems, such as: “How to Save Autism Patients,” “Counseling and Guiding Dark Criminal Minds,” “Making the Wolf Fall in Love with the Lamb,” and many more.

Then it met its first host.

System 2020: Mama, I met an angel ⊙ω⊙!

After traveling through many worlds, its host would comfort the system, which was often doubting its purpose.

Host: It’s okay, I feel fine ^_^

System 2020: QAQ *sobs*

Host: Really, except for sometimes having to block knives, bullets, and hidden weapons for others, sometimes not being able to get out of bed for a month, sometimes waking up locked in a dark room, sometimes… everything else is fine ^_^

System 2020: o(╥﹏╥)o !!!!

The author has a wild imagination and might introduce unexpected plot twists from time to time. If you’re not comfortable with this, please avoid reading.

In the third world, both the top (攻, gong) and bottom (受, shou) are animals. Although they will eventually transform into humans, and there won’t be any explicit beast-related scenes, if this bothers you, please do not continue.

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