Mangaka
Hiromi Takashima's page on the website for the Yuriten 2017 event. Includes other links -to personal blog and Twitter account- but shows no new activity, as far as I could tell. Latest entry, as of now, an announcement about attending the exhibition, posted the day prior to...
In any form, an animation based on Kase-san, would be a nice addition to the series airing and scheduled for adaptation from across the spectrum of available stories dealing with same sex attractions.