Responses
The series is in 3 volumes. Here's the link for the first book. You have to buy the series as an ebook. Also, the book is in korean but there is a google translate function to translate into english.
https://play.google.com/store/books/details/BL_%ED%9B%84%EC%A6%88_%EC%9C%A0%EC%96%B4_%EB%8C%80%EB%94%94_Who_s_your_daddy_1%EA%B6%8C?id=7DqQDwAAQBAJ&hl=en_US&gl=US
Who has the link of the novel?