[No system] [Pirate faction] [Multiple female leads] [Beautiful illustrations]
Having unexpectedly transmigrated to the world of One Piece, Kaguya discovers he can perfectly absorb the energy from food, rapidly increasing his physical strength. He initially just wanted to survive in this world, but while becoming stronger, he naturally needed some "spice" (something to enhance his life), and that's how he met them.
[One Piece + Nami (female lead) + crewmate + Morax template + time travel]
Zhongli travels to the One Piece world and merges with the Morax template.
It can manipulate all rock elements.
He then joined the Straw Hat Pirates.
"Zhongli, save me!"
After Zhongli reversed his shield, the Straw Hat crew said:
"Zhongli's shield is truly reassuring!"