According to Tsutsui Yasutaka's official website, an anime project of his light novel "Bianca Overstudy" was revealed to be underway. The production company is Aniplex. The first three chapters of the novel were published in Faust magazine in 2008 with the illustrations drawn by Ito Noizi.

Art of Bianca Overstudy by Ito Noizi

Tsutsui Yasutaka is a 77-year-old best seller novelist, who is well-known as the author of Toki wo Kakeru Shoujo (1967) and Paprika (1993). He was inspired by the Suzumiya Haruhi series and became one of the oldest light novel authors with the publication of "Bianca Overstudy".

Synopsis:
Bianca is a beautiful girl who attracts the attention of all the boys. When observing the fertilization of a frog's egg, she suddenly wants to see what human sperm looks like. She offers a handjob to one of her classmate Chihara and says, "Could you give me your sperm? I need it for my research."

Source: Tsutsui's official website