Luffy, I Am Addicted to Harem Training and I Need Akainu to Replace Me.

Travel through Monkey D. Luffy. After obtaining the system, find someone to practice on your behalf. Doflamingo: "I am the king of the world, and my cultivation is very fast. Kaido, Ghost Island is mine, and I will rule the world in the new era!~" Katakuri: "Mom, you should step aside early and let my son go find the great secret treasure for you!~" Shiliu: "Tiqi, the boss of the black group, may consider replacing someone, because I may be able to do what you can't lead everyone to do!~" Akainu: "This decadent naval group, I will directly overturn everything and reform it to form my own naval group!~" Luffy: "Thank you for your efforts, my level may be greater than the four of you combined!~" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.