Soul Land IV (Douluo Dalu) : Ultimate Fighting - Chapter 6: Without a trace

Spot was summoned from his comfortable charging pad and familiar floors to a world of magic and intrigue. After the flight of his new patrons, he is left to care for a filthy castle. During his quest to keep this new home clean, he will face demons, foreign armies, and the dreaded stairs.All those who stand before him will be swept away. Those who follow his spotless trail will find enlightenment, purity, and a world on its knees.Follow this wholesome vacuum on his quest to power.

After picking up a phone on the streets, Feng Yuchen was sent to the world of High School of the Dead. He, along with 100 people, have to travel through various worlds, fight and solve quests in order to survive.

Whoever dies in that world, would be teleported back to the real world without memories of what happened before and die in an accident one year later.

- Description from Novelupdates

Through a chaotic world rife with war, where demons roamed freely, he found himself in the body of the patriarch of the Luo family, whose life was nearing its end, with one foot already in the grave.Just after arriving, he was about to die?What kind of mortal suffering was this?Just as Luo Changfeng felt bewildered and on the brink of despair, he discovered that he could actually consume the vital energy of the Luo Family members to increase his attributes.A little tap, and his lifespan grew.A little tap, and his cultivation soared.A little tap, and his cultivation technique reached perfection.Thus, Luo Changfeng embarked on a path of empowering his family, continually drawing upon their vitality to strengthen himself.

High school student Mikoshiba Ryouma was summoned to a different world in the middle of a war. Sensing the malice from the one who summoned him (a summoner of the O’ltormea empire), he uses his martial arts to run away, killing important people of the empire during his escape. After the escape, he rescues two twin sisters from the hands of thieves. The sisters who can use magic, swear to serve him as subordinates. Thus, Ryouma begins his journey on the path of the supreme ruler.