One Piece: the Strongest Girl System

Traveling to the world of One Piece, he actually got the chick system. The protagonist discovered that he could actually summon chicks from TV series, movies, anime and even novels... The twelve-year-old scientific railgun Misaka Mikoto, the three-year-old Tianshan child, the five-year-old Six-fingered Piano Demon, and the seven-year-old Diao Chan. What's more important is that these tough girls are growing up with the protagonist... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.