Reincarnated as Parasitic Tentacle - Chapter 40: Open Play(18+)

Second Awakening? A System? Having lost the battle of the Dark Catastrophe to the demons—spawns of the Dark Gods— humanity is given a chance at making things right once again. Born as a twin into a family of high ranking talent awakeners, Damien Terrace is met with trouble when it is his turn to perform the ritual. After awakening the E-Rank Summoner talent, Damien loses everything to his twin. Exiled by his father to perish away from them, Damien goes through a second awakening that changes the play field for him. Ding! [The God of Summons is furious and has blessed you with a system!] [You have fused with the Mythics Summoning System—A system that only allows you to summon mythical beasts!] [Obtain nineteen Magic Essence Cores to boost your core to the next level!] [Slay 200 more demons to unlock another summon!] Damien’s only option is to evolve!

Asura – proud, warlike, cruel, heartless.

A young adult with a mysterious background follows his father’s prophecy and enters the world of «Rebirth», somehow managing to inherit the Xuanyuan Sword, and also unexpectedly obtaining the hidden class Asura.

Following the tracks of both virtual and reality he gradually discovers a secret hidden for the past billion years.

Asura, the class that used to shake the lands has now completely disappeared. He must now go on a journey to find the true meaning of Asura—until the day he transforms and becomes one with Asura.

- Description from Novelupdates

In her past life, Xia Chu lost her virginity before marriage and was scorned by her family as a wanton woman, forced to marry an old widower with a limp. Her aunt and mother died one after another because of her. Fleeing alone to the south to work, she suffered a hard life and eventually died tragically at the hands of a scoundrel.Reborn, she is determined to protect those who love her and those she loves, to rewrite destiny. Those who framed her, she will make them suffer the consequences; those who forced her, she will make them kneel and beg for mercy; and those who killed her, she will make them wish they were dead!By the way, that tall, stoic man with good looks, loyalty, and skills, I might as well marry you since you’ve got it all.

Song Yan, a senior high school student, lost his parents when he was a child. Before obtaining a mysterious and amazing ring, he has been often plunged into a vulnerable position and easily marginalized. However, his life is changed because of the cryptic ring.

- Description from Novelupdates