Seika’s house is new and has a modern feel. About 7-10 minutes from the neighborhood bus stops. I only used the train in the way in, but used the buses otherwise. Seika and her son are very accommodating and fun to talk to. As a solo traveler I wanted to see as much as I could in the two days I was in Shinjuku/Shibuya. A previous guest had provided a list of her favorite vegetarian restaurants, which was incredibly helpful for me (definitely get the dumplings at KiboKo and the avocado tofu at Tofu Sorano’s). I would highly recommend staying with Seika and Yukia, and look forward to visiting Tokyo again!