Unscientific Beast Taming - Chapter 6

Master martial artists were beings that no one can obstruct. A martial arts expert has been reborn into the body of a genius whose cultivation has been abolished and has been abandoned by a woman. Therefore, he starts cultivating the art of Xing Yi Quan, producing a solar system within his dantian. His innate talent tramples over all the geniuses, and even the geniuses among geniuses.

His powerful spirit and ruthless and ambitious nature, no matter who he is reborn into, will never change! Slaughter is instinctive, being cold-blooded is his personality, exterminating an entire family is only a means towards a goal, cruelty means infamy, and chasing after women… is just an interest.

- Description from Novelupdates

Leiyin accidentally crossed into the One Piece World, and accidentally obtained the Naruto System.

Murong Zhining led a life of running constantly in a plight before she settled down in the Zhuang family as their (supposed) daughter-in-law. Until, one day, the Zhuang Estate… collapsed.

Follow the girl as she unraveled the mystery of her identity through three seemingly unrelated objects leading to the treasure that entangled their fates.

Between a king and a general, who would be the one to yield to the phoenix and offer her the world with two hands? Who would be the one to win her heart?

- Description from Novelupdates

While the demons were rising, mankind was about to become extinct. Six temples rose and protected the last territory of mankind.