MTL - First Day In Game, I Got Ten Billion From Infinite Number Of Check-ins - Chapter 549 solve

A civil engineer reincarnated into a magical land and tragically became a Wood, Earth, and Water Sorcerer.While still questioning where his [Earth Bear Bloodline] originated, the Chosen One next door summoned a 'player'...Watching others lead extraordinary lives, Hill just wanted to hide away.

Xion Aijawa thought his life was finally coming together. That is, until he tried saving a cat stuck in a tree, fell into a pit, and... diedIn his disoriented sate of “Freshly dead” the silly Xion accepted a strange request and ended up transmigrating into the world full of dungeons and Mana.He became illegitimate child of Marquis family hated by his three siblings.According to the memory of the original owner of the body, Xion only had a month to live.So, taking the cover of the banquet, Xion ran away. Aided by a mysterious Mall System, he makes his way to the distant borderlands, hoping to put his past behind him.But fate has other plans-. Xion ends up saving Darius Rael Darkhelm, the feared Archduke of the North, notorious for his ruthless and deranged nature.The silly Xion tried to run away but...Xion's heart thumped loudly as Darius effortlessly pinned his wrists using only one hand.“I've heard you tried to run away.”Darius gently caressed Xion's pale cheek, “That must be a lie... After all, I've given you things even the royal family can't have. Isn't that right, my dear healer?”Xion gulped when Darius's thumb brushed his lower lip as a chilling smirk remained on his handsome face.“I-I think I should leave, Your Grace. I've overstayed my welcome...”The room grew cold, and struggling Xion shivered.Darius's green eyes dimmed before lighting up with a dangerous glint.Xion felt a pit growing in his stomach when he saw the deranged archduke smile. Darius never smiled. And whenever he did, it only meant trouble.“You're right,” Darius said calmly. “So, let's get married.”Xion “...!!!!”

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

Seven SinsSeven sistersSeven Arch-ParasitesSeven Host.Orion a late bloomer who didn't get a system was terrified as he couldn't accept it.But something happen, something he never thought in his life will happen.When one of the seven picked Orion everyone changed, Orion was now blessed with a system, why was he blessed?But again lust is one of the sins and he was here to be strong, revenge and conquer all the women in the world. Perhaps 100 lady in his harem, who knows 200.(ALERT)♥Unconscious host detected♥♥Host body damaged to the core, useless, but yet something can be sensed.♥{Scanning Host Body}♥Seven sins detected in host body.♥Compatible sin is Lust.♥♥ Compatible sin is Greed.♥♥ Compatible sin is Gluttony.♥♥ Compatible sin is Sloth.♥♥ Compatible sin is Wrath.♥♥ Compatible sin is Pride.♥♥ Compatible sin is Envy.♥{Initializing System Integration.}