When we first arrived at the unit, the AC units in each bedroom had visible mold in multiple areas of the unit. After asking numerous times, Mariko and her partner tried to clean the units themselves but did not have the right tools. Instead, they cleaned the outside and told us that it was sufficient. We asked that the units be removed which had to be confirmed with the landlord. Communication with Mariko about the AC units was slow and confusing. We developed bad coughs immediately after arriving, which impacted one of the guests because she has asthma. Mariko bought air purifiers afterwards. We wish the issue could have been dealt with sooner and that communication could have been more clear. We also noticed that the sheets seemed dirty or stained, one of the guests developed an allergic reaction which is suspected to be from the sheets. We also noticed a lot of dirt and toenails in the rooms upon arrival. Location is great but I would not stay here again due to poor cleanliness, mold and host communication.