onna doushi toka arienai desho to iiharu onnanoko wo hyakunichikan de tetteiteki ni otosu yuri no ohanashi
女同士とかありえないでしょと言い張る女の子を、百日間で徹底的 ありおと
Yuri light novel by Mikami Teren. Volumes 1-3 were illustrated by Yukiko and volume 4 and after by Wata. Has a manga adaptation illustrated by Kayako.
