With his house missing, Yoto makes the only logical move, stay over at Tsukiko’s! Normal hijinks ensue, and Yoto hides to find an even larger Stony Cat in her house. The next day, her sister Tsukushi has plans to get rid of his “younger brother” once and for all. After inadvertently discovering the power of the new cat, Azuki is brought to him, and then we take dive off the deep end of perversion.