Toaru Majutsu no Index SS - Volume 1, Chapter 4: A Drunk Mother’s Circumstances. The_Two_Leading_Roles.

In his past lifetime, he was an exceptional prodigy who practiced both medicine and martial arts. In this lifetime, on earth, he used his superb medical expertise and extreme martial arts achievements from his past lifetime to excel in the medical field and the ancient martial arts world. He moved his way towards the pinnacle!

He said coolly: “One million a month, stay with me!” She raised her eyebrows and smiled: “Pay a 30% deposit first, no credit!” Show no mercy. When the contract expired, she turned around gracefully, and when he chased after her, she found that there was already a kid the size of a kid beside her…

- Description from novelbuddy

Our protagonist, Xu Yi, is born with a silver spoon in his mouth, able to live a happy and worriless life. However, he wasn’t able to enjoy this life for long, as the revenge of his family’s enemies quickly caught up to him.The enemies are much more powerful than Xu Yi; therefore, he has no choice but to be obedient. However, forbearance is not always a good policy. The enemies take advantage of his passiveness and bully him even more. These little sparks of anger have finally become an uncontrollable fury for Xu Yi, compelling him to seek revenge.

“It was the year 2030 AD. The origin universe game “Divine Revelation” made its grand debut. In this game, the in-game currency could be exchanged for real money, which attracted countless players. Even countries were getting ready to enter the game. But no one knew that Li Yi who had fallen in the War of the Gods returned to this very day when the game was launched with ten years worth of memories from the game. And this time, Li Yi received the SSS Rank Talent – Blood Devour. [SSS Rank Talent, Blood Devour: After slaying any creature, the player would gain 1% fixed Health Point, and life regeneration speed. The effect of this talent can be stacked indefinitely] [Notification: You slew an LV1 Sika Deer, received 1 HP, 0.01 HP regeneration/second] [Notification: You slew an LV5 Elite Goblin, received 7 HP, 0.07 HP regeneration/second] [Notification: You slew an LV10 Legendary Boss – Aoi Flame Green Dragon, received…...] From them, an invincible being who had a health bar even longer than bosses were added to the game. “Report: Li Yi is cheating, the HP of the entire dungeon’s monsters added together is still less than his!” “Report: We attacked Li Yi with the joined force of a 1000 players army, but he only lost a slither of health!” “Report: Please tell me, how are we supposed to attack the city with Li YI standing in front of its gates?

Many years later, when the game started to fuse with reality, and the War of the Gods began, Li Yi stood at the front alone and faced the gods of the worlds. Only then did the players wake up, “Dear Sir, we’re begging you, please have even more HP!””