Gamers! - Volume 9 – Keita Amano and Youth Skills Reset, Chapter 1 – Gamers and Overwritten Records

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

I, Am a Living Yama; Empress Advises Me to Stay CalmYang Yi crossed over and unexpectedly awakened the Poison Expert System.Empress: “The enemy country has already been destroyed, and there is only a seven-year-old child left in the palace. We are hesitating, what shall we do?”Yang Yi: “Your Majesty, I believe that since this child dared to expose herself, there must be someone hiding. First, pretend to spare her, and then secretly return to see if she has any younger brothers or sisters hidden in the secret passageways. ‘Take care’ of all of them(Kill), and then make a grave for them and pretend to mourn for three years. If anyone comes to pay their respects, they must be her accomplices, and we can eliminate them all!”Crowd: “???”Is this guy a Living Yama alive!???Empress: “You were supposed to provide disaster relief, but you’re adding sand to the porridge? Are you the Living Yama?”Yang Yi: “Let’s see if it works to save refugees, Your Majesty.”Empress: “Now there are rumors out there that the reason I remain single is because I like women. How should we deal with this damage to my reputation?”Yang Yi: “Your Majesty’s reputation is of the utmost importance. As a strategist, I’ll sacrifice myself and imp**gnate you, and the rumors will naturally dissipate!”Empress: “Then get rid of those vixens, you scoundrel!”

Vergil, a 21-year-old young man, leads an apparently simple life in a somewhat troubled world. His family is also simple—although his father is no longer alive, his mother has always been by his side, despite being a bit... aggressive. But that's not so unusual nowadays, right?Everything changes drastically when Vergil, after an unexpected death, awakens as a demon. To his surprise, he discovers that he has accidentally married beautiful Pure-Blood demonesses.Now, he will discover how the world really works from a Demon's perspective.

The big guy dresses up as a lonely and old male supporting character, slaps his face and abuses scumbags to fall in love.
small world:
A scumbag male supporting actor who is lonely and old: learning to love with both hands.
The tyrant male supporting role who left the inheritance to the heroine’s son: the family has the throne to inherit.
The deposed prince: what kind of emperor, when the emperor!
Bingshan ex-husband of a book girl: It is impossible to chase after a wife.
The prince of the enemy country who retreated for the heroine: step on the capital and rule the world.
The pet girl mad demon of the group pet text: I pet myself.
Edible Guide: Quickly cross the routine, capitalize the romance! One cp in one world, if you change the world, your feelings will be eliminated. If you don’t like it, don’t enter. 

Content tags: face slap
Search keywords: Protagonist: Dongchen ┃ Supporting role: My concluding article “The Male Protagonist Doesn’t Follow the Plot [Quick Pass]” “Someone Wants to Take My Gold Finger [Quick Pass]” ┃Others:

- Description from novelbuddy