One Piece: The Strongest Swordsman - Chapter 38: Yoriichi vs Admiral (Final)

The aliens came with hostility.
Facing the invasion of aliens, human beings are weak like ants.
So this is the end, the real end.
But there is resistance when there is an invasion.
For some, this is not the end, it is war.
So this is war.
Real war!

- Description from Qidian

Synopsis: I have joined a harem warrior's party in search of magical ingredients. But why does the warrior keep talking to me? ______________________ Reiew: The protagonist, who goes by the name Louis, joins a hero's party to gather magical ingredients. The party, made up of heroes who admire the main hero, initially sees Louis as a competitor. However, Louis has no interest in becoming a heroine or pursuing a romantic relationship with the hero. Instead, Louis plans to support the heroes and ensure they stay together, but finds herself constantly misunderstood as a rival. Louis’s quirky and endearing traits lead to humorous interactions with the hero's party as she tries to prove she’s not interested in romance​.

With divine medical skills in his left hand and supreme martial arts in his right, carrying a century of memories, he was reborn and returned to the city. This life, he vowed to dominate everything, take control of all, and ascend to the zenith of the heavens!

Li Ran traversed to another world and became the Holy Son of a Demon Way Sect.

The system has awakened, and the first task released is actually to fall in love?

The Sect strictly forbids relationships between men and women.

Li Ran took the risk of being expelled from the Sect and wrote a love letter to his junior sister, but it was sent to the master by mistake!