Fujita Seiko (often shortened to Fujita) is an active Japanese player and mapper.
He has played Nv2.0 since its release, but his adventure with N started with 1.4 version in 2006 or 2007.
Seiko won the Mapper Of The Year category in Nv2 Awards 2014.
Fujita Seiko has a very specific style of mapping, called TechnicalArt by NyanCat_Polska.
Fujita is considered as one of the best mappers in Nv2.0 and his maps are very popular. He makes all sorts of maps, from highscoring, through speedrun, to challenging types, but all bear his unique style.
Seiko has also made some maps for NPoints.