The God of Underworld - Chapter 300 - 58

Until he became the lowest-ranked master, his lonely and luckless life never changed.Suddenly one day, a descendant injected him with a nanomachine, and the machine started ‘speaking’ to him.[I am the seventh generation Nanomachine manufactured by Sky Cooperation, and I am operating as a central nerve connected to your brain.]“What? What are you talking about?”This was beyond the boy’s knowledge, he turned pale.The Nanomachine linked to his cerebrum realized the User was not understanding a single word it said.“Who are you, and why are you doing this to me?”[“I am the seventh generation Nanomachine.]“Nano Machine?”[Yes, Nanomachine.]The boy’s face hardened.Mashin was the deity the Mashin Religion worshipped, along with the Sacred Fire.The religions’ Master communicated with Mashin.“Um, are you really Mashin?”The boy knelt down and asked with a trembling voice. At this, the Nanomachine attached to his cerebrum realized it had been misunderstood.

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

“Introduce yourself!”The smile on Aoba's face slowly converged, and he became extremely serious, which made his face in the shadow of the backlight even more terrifying.“My name is Yamanaka Aoba, fourteen years old and live in the Anbu dormitory. I work in the Konohagakure Intelligence Division and live an ordinary quiet life every day...”Aoba transmigrated to the world of Naruto, became an ordinary Yamanaka clan member. Due to his frail body, the clan arranged for him to become Anbu in the Konohagakure Intelligence Division and conduct mind-reading interrogation work.When he didn't know how to pass the level, he awakened the Mind Reading System. Not only could he read memory, but he could also get rewards!Aoba learned from the memories of those who need to be interrogated that the ninja world was far more dangerous than he imagined, so he decided to grow wretchedly in the Konohagakure Intelligence Division and would never waver before becoming invincible ninja world.Ten years later, the Kyuubi Rampage broke out.Seeing that Kyuubi's claws were about to smash the Konohagakure Intelligence Division, Aoba had no choice but to make a move.“Kyuubi, you are too strong. You should still be sealed!”This is translated novel.