As An Immortal, I Only Learn Forbidden Skills - Chapter 1251 -

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

The young man named Kehma who was summoned to another world, and the useless Goddess Laura whose only strong point is having huge breasts.

Gaining a cheat skill that absorbs the abilities of what he eats, he enjoys his new adventurous life eating delicious monsters and playing with the easy to handle Goddess, all while becoming wildly overpowered/peerless in this otherworld fantasy.

Tang Yu transmigrates into a modern urban novel as a wealthy second-generation villain. Each time he survives a segment of the plot, he earns a reward!He decides to lay low and survive until the very end! He starts by calling off an engagement to avoid getting killed by the Dragon King!However, everyone around him seems to be plotting against him, insisting on pulling him into conflict.Su Muyue: “You want to break off the engagement? No, you don't.”Father-in-law: “Who does Ye Chen think he is? My son-in-law can only be Tang Yu.”Bodyguard Captain: “Young Master Tang has been incredibly kind to me, I will kill the Dragon King for him.”No matter how much Tang Yu tries to stay out of the plot, someone always shows up to drag him back into the fray.To ensure his safety, Tang Yu has no choice but to defeat the Dragon King.

Lu Ze transmigrated to the interstellar era two thousand years later.
The previous owner of this body had lovey-dovey parents and a cute little sister. Although his cultivation talent was ordinary, his life was fulfilling. It could be said to be a dream start. Lu Ze was very happy.
However, as soon as he slept, he came to a strange dimension.
He almost got taken out trying to fight an one meter tall huge white rabbit. After making the arduous kill, Lu Ze found that things didn’t seem to be so simple.
After killing prey in this dimension, he could get little orbs that could be used for cultivation.
This was going to make him an eternal jungler.
But he seemed to be able to hope for domination of the cosmos and invincibility?