Ichigo becomes a substitute Soul Reaper.
The story returns to the manga canon. Sosuke Aizen creates an army of Arrancar—Hollows with Soul Reaper powers. Ichigo seeks help from the Visoreds, a group of former Soul Reapers who mastered Hollowfication, to control his own inner Hollow. (Canon) Episodes 128–131: (Filler) list of bleach episodes
Season 16: The Lost Agent Arc / Fullbring Arc (Episodes 343–366) Ichigo becomes a substitute Soul Reaper