Levi traveled to the world of One Piece and obtained the sign-in system.

Start signing in at Mariejois and gain a hundredfold physical fitness.

After that, the sign-in mission starts, the Seven Capitals of Water, Battleship Island, The fish men island, Cake Island, Wanokuni...

All the system gave him were shocking rewards.

A hundred times better physical fitness, Marine Six Styles, the ultimate sharp knife...

Dominate the pirate world, starting with Mariejois.

This is a translation of the fanfic: Pirates: Check In From Mariejo

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