Dandy★Maniac
ダンディ★マニアック
The "sexy love comedy" centers around JKs who, upon entering their emotional teen years, have begun taking an interest in boys. Chiame and her childhood friends Yako and Ayari start a "Male Research Club" to assertively study men through fieldwork.
(Source: ANN)
Included one-shot:
Volume 2: Namako no Susume