Kayo and her team were very responsive and helpful. Kamaeri is a quite friendly residential suburb about 35-40 mins train from main tourist areas (Ginza / Shinjuku etc). The location is 2 street crossings away from the station and there’s a 24/7 supermarket on the street so it’s not too quiet if you’re going home later in the evening or departing early morning. There’s a convenient early morning (4-5am) bus to Haneda from Kamaeri station, which leaves twice hourly. If you have lots of luggage, there is an elevator, but you have to take a flight of stairs before you get to the elevator. There’s a free PCR testing centre on 1/F, and some shops at G/F but we did not come across other people during our stay. Lots of restaurants around and large mall and supermarket at the station.