Haikyuu: Zero To Almighty - Chapter 387: What the Hell Is Up with Miyagi?

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Ye Lingchen flips through the “Book of Mathematics”, then solves the world’s ten most difficult problems.

Ye Lingchen flips through the “Book of Language and Literature”, then creates the world’s ten most famous books.

Ye Lingchen flips through “The Art of Acting”, then becomes the king of the silver screen.

Ye Lingchen flips through “Military Boxing”, then becomes invincible.

Ye Lingchen flips through the “Book of Changes”, damn, he ascended to immortality…

- Description from Novelupdates

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

When you grow up, you’re mine.

~~~

Lu Feng, with her fiery character and short temper, only had one fatal weakness. That was the lukewarm and soft Xu Mu.

There were so many youths in the capital, yet she took fancy to none of them. She instead sought after her newly arrived neighbor’s sweetie and secretly planned to kidnap him home.

Until one day, the two became cousins…

Lu Feng: … That nutrient-rich water cannot flow into someone else’s field!

Xu Mu: =v=

~~~

Xu Mu: What am I to you?

Lu Feng: You are my sweetest candied fruit!

~~~

In their previous life, Xu Mu and Lu Feng were married for only half a year when she died in battle. Xu Mu couldn’t bear the news of her death and followed her three days later.

Who knew that after he died, time flowed backward and returned him to their childhood. Xu Mu sat on his bed, dazed. In this life, he needed to think of a way to first find his wife, then chase her with all his strength. Only until he made up their past life to her would he “leave”.

Xu Mu: Last life, I didn’t love you enough. This life, I want to love you even more. Starting from innocent little childhood friends to the grey-haired and weak elderly, I will not let you go.

- Description from Novelupdates