Once Human, Now a Parasite - Chapter 49

Living a dual life, Lucas was a meek boy in school and a Wire Knight on the Internet at night. Surprisingly, he's asked out on a date by one of the most beautiful girls in school.

However, the date ends after a bizarre sequence of unfortunate events, he gets isekaid into another world.

Lucas received a rebellious system and some strange pills as rewards which released the dormant evil within him. He has to control the rooting darkness coming from the previous protagonist of that place and learn how to control his power.

The system promises to fulfil one wish if he will win the game he was sent to. This motivates him to help his sister to get better and become healthy again, he must obey the system and win the game to be granted that wish no matter what.

To form a team with another human, an elf and a so-called 'sex machine'. Lucas has to collect all the avatars and learn how to control them, wield the weapons that were given to him and win the tournament of the place by killing the black wizard.

Time is quickly ticking and there's a huge mess for him to reverse. Starting from his date who suddenly was transformed into a dragon!

This appears to be this type of story:

Soon after knowing that she was going to marry Song Shi An, Su Tang made a firm resolution to barter to get a bill of divorce within one month!

The reasons are many with one being crucial, that pan of cold noodles has been an eyesore for a very long time!

Actually, it is this type of story:

Has lightning, dog blood, even more it has big meat. Love steamed buns, love beautiful meals, as well as love household tussles.

Go out to build the family fortune, enter the house to steadily accompany the lady of the house! Who dares to interfere? Stiff penalties being served!

- Description from Novelupdates

SSR-ranked killer Mu Hui died in an explosion, only waking up to find herself transmigrated into the body of a vicious female supporting character in a book.

Countless Heroic Spirits descended upon modern Earth, marking the beginning of the Heroic Spirit Era.Yet no one knew that Souma Kurobane, Alaya’s most beloved Nameless Heroic Spirit, had once traversed countless eras and Singularities.When Jeanne d’Arc was burned at the stake, he fought desperately to save her.When King Arthur and Mordred clashed in a tragic father-daughter feud, he was there to break up the fight.When Qin Shi Huang sought the elixir of immortality, it was he who pointed the way.…In a snowbound vow, he fought for his sister, ending the Holy Grail War in a single night after seven consecutive victories.On the Absolute Demonic Front: Babylonia, he stood shoulder to shoulder with the King of Heroes to battle Tiamat, the Beast of Humanity.At the Temple of Time, he passed down the final magecraft to Romani Archaman in humanity’s darkest hour.…When it was all over, Souma Kurobane sacrificed everything to reset the world, fulfilling his destiny as humanity’s savior, and quietly returned to a peaceful, mundane life.But then — Alaya released the [Nameless Heroic Spirit Chronicles] and exposed him!Revealing to the entire world the deeds of this nameless protector of mankind!Staring at the video stream, Souma Kurobane could almost hear a devilish voice whispering:“Master… you still can’t rest yet~”***For every 100 Power Stones, I'll be releasing two bonus chapters at the end of the week.For advance chapters join my Patreon.Link: patreon.com/aarvanThis is not an original series, it is a translated work. You can find the original work by the name: 某综漫的神圣右方