Evolving into a Great Dragon From a Koi Fish - Chapter 108 - Madman Arrived

[You have signed in!][Lucky spin in effect!][You have obtained (Immortal Body)!]---Rion was a teenage boy who, unfortunately, had never seen the world beyond his own.Born with a weak body and a mind too great for it, never allowed a single moment of peace; he always dreamt of the outside world, of the great nature.His doctor had told him that he would be going out soon... but he didn't think he meant he would be outside like this.Rion had died that day, only to be reincarnated in a tribe of Warriors. But this time his life would be different as he was accompanied by his cheats. Rion had decided to live a simple life—[Ding!][You have signed in at The Spring of Youth!][You have obtained the passive skill (Minor Heal)!][Ding!][Lucky Spin is in effect!][Congratulations! You have obtained 100x reward!][You have obtained the passive skill (Immortal Body)!]—Until he obtained Immortality.He had never cared about the rewards he obtained from his sign-in system and lucky spin; he was happy with anything—everything, but... Now he could travel the world without fearing what he feared the most—death. He had gained Immortality, after all.____Stakes would be low. Mostly Slice of Life with tidbits of action and drama.

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.

Haruto Hayase was a normal high school boy in his third year, living a quiet life until his younger sister, Haruka Hayase, joined the same school. Haruka’s beauty and charm made her the center of attention, quickly becoming the school’s prima donna. But when a notorious gang leader set his sights on her, he did everything in his power to protect her—only to fail tragically. Haruka was brutally assaulted and tortured, and Haruto himself suffered an agonizing death. However, in a twist of fate, Haruto is given a second chance, waking up a year before the events that shattered his life. Armed with the mysterious ‘Debauchery System Slave’, he vows to exact revenge on those responsible. This time, he will use his newfound powers of the system and charm to seduce the loved ones of his enemies. From their mothers, sisters, and lovers to their closest friends, Haruto will make them his. His enemies will suffer as he steals what they hold dearest, ensuring their downfall in the most devastating way possible.