Shonen Jump Global VP Hisashi Sasaki has shared some insight into what to expect from this in a video from ViZ, including the detail that five arcs are planned, kicking off starting this spring.
Last year, or earlier this year for English language readers, Rurouni Kenshin returned for spin-off Ex-Con Ashitaro, which turned out to be a teaser for Nobuhiro Watsuki’s larger Hokkaido Chapter.