Fgt Ichigo Episode Ichigo no kakera deals with a female manga artist ichigo nekoda miyazawa whose career is heading into a downward spiral as she can t reinvent the success of her 12 year old hit the cherry road

Like fgt said it s episode 59 though the beginning of the fight does start in an earlier episode but i think this is the part of the fight you re thinking of where ichigo is taken over by his inner hollow