Ero Ero No Mi. The great adventure

One day, a little boy living with his mother finds an akuma-no-mi in a chest, but unlike other akuma-no-mi, this one has not yet manifested its powers.
time goes by and his happy and peaceful life with his mother is destroyed by a group of pirates.
his mother is kidnapped and he will never see her again.
So he decides to become a marine, so that one day, through justice,
he can find his mother and return to live happily with her.
Unfortunately, one day, he discovers that the marines are certainly not justice. so he decides to leave his current life aside and become a pirate.
in command of the former pirates of the straw hat. Nami, Nico Robin, Nojiko and Mozu. so together with them, you will embark on a journey across the sea, in search of the straw hats, your mother and justice.
Also, on the way, you will discover that your Akuma-no-mi, can be the most fun of all, even more knowing that your crew,
will only contain beautiful girls.​