In this adult role-play, I look after my younger childhood friend Nana for five days while both families are away. She acts cold and cocky, yet crawls into my bed because she is afraid to sleep alone and joins me in the bath wearing a role-play school swimsuit because she is too shy to bathe naked. Bossy but impossible to hate, Nana keeps teasing me and initiating naughty games. Is her tsundere attitude really hiding her feelings? An intimate first-person cohabitation story.