The location is awkward for everything but Disney as it's in the middle of a suburb, and the shuttle bus only runs one way from the hotel to the train station in the morning and one way from the train station to the hotel in the evening which can make day of arrival or going to and from on other days awkward. We took the shuttle bus to Maihama station in the morning and walked from there to the parks.
The lack of human staff in the initial reception area is also odd, I felt like I didn't know where to go with my questions when I first got there.
The beds in the room feel like a 2-inch-thick dorm mattress on a piece of plywood and I woke up sore every day after interrupted sleep. The rooms are small and the air conditioner is controlled by a voice-activated egg "robot" which is awkward to control rather than a traditional thermostat with temperature settings. Every time you need to turn up or down the air, you have to tap the thing in the face until it wakes up, then clearly say "Make the air conditioner temperature lower" until it understands you properly and changes the AC setting. I would have preferred a thermostat.
Overall, a clean hotel well-located for Disneysea and Disneyland in Tokyo with a cute robot dinosaur theme and a really neat pair of T-rex heads in the lobby. Small, clean rooms with very uncomfortable beds. If you miss the shuttle buss (sometimes over an hour between buses), you're stuck with paying for a taxi (1000 yen) or walking almost 2 miles.