Mai was quite surprised when she heard Ritsuka calling the body part she had just exposed an 'ass'. She thought that it was a funny name. However, the thing that really surprised her was Kichin'act of nervousness when she exposed her buttocks. He surely  was surprised. There was no doubt of that. Luna was also right since Kichin's place had been the only place the had the possbility to live in. "Yes Kichin...coud we please stay and live with you? This is the only place we know...and I'm pretty sure Ritsuka and Luna agree with me that we won't be a burden. We'll help."