Exactly what it says in the ad, great bathroom, very comfy bed, a small kitchen. Do note that the place is tiny and there is no seating so you have to eat on the bed or standing up. Adding a fold up chair and or a tray table for the bed would greatly improve comfort
Location is great for Haneda airport, a bit far from central Tokyo but great if you are looking for a genuine piece of suburbia and it is only a 6min walk to the station so very convenient
Had some trouble checking in as I missed the lock instructions as they are provided after the check-out instructions (you unlock the front door from the post boxes not anywhere near the door), and all the information on turning on heat, hot water, etc. were in Japanese but with a translate app I managed.