We stayed at Casey’s for four nights and enjoyed our stay. We took the Keisei Access Express from Narita to Ueno, walked to Ueno-okachimachi station and caught the Oedo line to Higashi-Shinjuku. Really easy. Casey’s place is so convenient with lots of amenities in the area. The room was small but it was fine for two of us, everything listed was provided. It might be useful to have some spare linen/towels kept in the room if possible (we dropped a towel in the bath but just made do). Everything was clean and tidy, and there were sweet touches to the decor. I would say major benefit is the location and also the quiet area. We didn’t need to use the washing machine but will say there isn’t much space to air dry clothes if you needed to do anything other than underwear, socks, etc. Just something to consider. Overall we were happy with our stay and would recommend to friends.