Rei Nono is a civil servant who has lived a straightforward life, avoiding any trouble. She has little experience with men but has had her first time already. Despite not having many positive experiences, she decided to apply because she finds herself curious about sex. Her plain appearance hides the fact that she's actually endowed with huge breasts! It was quite surprising, wasn't it? *Sweat* Depending on the recording method, there may be variations in the contents.