A female boss and a virgin subordinate are forced to stay overnight due to a record torrential rain on a business trip. However, there was only one vacant room. - Her boss Amami thinks that there is no problem because her subordinate Takahashi is not masculine and is not used to women, so she stays in a shared room, but when she provokes Takahashi with a virgin because she is not masculine, she suddenly attacks ... - Her looks and erotic tech are the best, and she is an older sister who accepts anything.