The supporting character's harem is very normal - Chapter 230 The Count Title

With the Legendary Mechanic System, I transmigrated to Marvel Universe to be Dr. Zola’s assistant.

With Mechanical Force Analysis, I can learn every black technology.

Winter Soldier’s arm? I built a better one for you.

Iron Man’s armor? I already made it a decade earlier.

Doc Ock’s tentacles? I am the one who provided core technology.

Hulk’s mutation? Sorry, I was there and got hit by the radiation too.

As for a certain purple potato, can he collect all Infinity Stones?

……

However, I only had one simple ultimate dream. That is to go home…

- Description from Novelupdates

°•°•°•°•°•°•°Adult Novel•°•°•°•°•°•°•°•⚠️Read at least five chapters before dropping. I believe you will love this story⚠️Liu Xinyu wakes up to find himself back in his younger body, but this time, he has something special a system!“The Goddess Reversal System has been bound…”This system is different from others. It has two parts: the main system, which is connected to Liu Xinyu, and a subsystem that must be given to someone else. When the subsystem user completes tasks, Liu Xinyu receives random rewards, which could be anything! But there's a catch if the subsystem user refuses tasks three times, the system will leave Liu Xinyu forever.With the help of powerful goddesses and the system's abilities, Liu Xinyu sets out to change his life. He becomes stronger, smarter, and more successful. Challenges come his way, but with every completed task, he steps closer to becoming a true winner in life!

Senior high school student Dugu Hong was logical autistic and had a very high IQ. Despite his impressive IQ, he was never taken seriously by his teachers or schoolmates. While playing a recently released eastern Wuxia online game called Jiang Hu, three vicious classmates trapped Dugu into a mountain cave in the game with no hope of escape unless he deleted his account and re-register it. Not succumbing to their demands, Dugu decided to stay in the cave and explore the game system, which benefited him greatly. His persistence to obtain massive internal strength aided him in finding a superior way to improve himself, and thus opened the function of inner observation of the main and collateral channels. Meanwhile, in the real world, he discovered he had supernatural powers when he tried to save the girl he secretly loved who had caught the eye of a gangster on the suburban railway.

In the Kunlun Snow Palace, a sage once said, those who pass away wander, while the living cannot let go.Once the soul departs, it will wither like the autumn grass.Those who are reborn from the dead, existing apart from the mortal realm, shall be shunned by all celestial sects and smitten as undead demons.On this day, a youth awakens from within a coffin, his blood dry and his bones chilled, to find himself a century old upon opening his eyes.A single tear from a sage awaited, a constant companion, may unravel the dreams of the past.Seeking not immortality but a mundane death, not to lament with the ages over lost love and resentment, but only wishing to grow old with tenderness in this lifetime, beneath the white clouds that hold no envy for the heavenly realms.