Killed For 100 Years in Hueco Mundo, Aizen Invited Me To Soul Society! - Chapter 40 - 0: Hollow Experiment

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

[Ding!][Acquired the Dragon Queen's Legacy][Acquired the Elf Queen's Legacy][You have awakened the Strongest System]“It's real...! Isekai is real!”******Drax is a laid-back, calm and collected highschool student who accidentally loses his life on Earth and, in turn, has his soul is summoned into the body of a baby in another world, one where mana and magic abound.Blessed with a Dragon Legacy, an Elven Legacy and the love of two mummies, Drax decides to enjoy this second life being free and lively freely, not conforming himself to any world system.“The only way to be the freest person is to also be the strongest person,” Queen Freya said to him.And so begins Drax's journey to become the strongest and freest!

As a troublesome Idol with a bad personality who was confident of his pretty look. All Si Ning ever wanted was to gamble and become rich overnight so he could finally buy a mansion and lots of sports car for him to finally be able to drive the latest sports car to his hometown to see his mother and sisterThen he would not feel guilty for dropping out of school and using his school expenses to gamble and lost, it was the plan he was working on and he never expected to be transmigrated to another world and turns out to be the General commanding a large army to war.“I cannot do this.” Si Ning rolled on the bed knowing this was nothing more than a nightmare as he stared at his callused hands he woke up to.Being General Si Ning of the great Xiu imperial army was nothing more than a nightmare to him.In order to survive in a world of war, Si Ning had to choose the perfect partner and rise to be a powerful person in Xiu nation.*This is BLMeans Boys love.