Nyan Koi! : Akari and Kotone Kirishima and Others

Kirishima twins

The Kirishima twins are daughters of a Buddhist monk and have differing personalities from one another.  Kotone is the elder twin and is attracted to misfortune and exhibits a more yandere personality.  Although, outwardly shy she is an obsessive stalker of Juynpei. She also has transformative magical powers.  Her younger sister Akari is more tsundere and antisocial do to her avoiding socializing when she was younger.  Both are aware of Juynpei's curse, but are unafected by it.

Kotone in blue, Akari in white

Chizuru Mochizuki

Chizuru is a college student and mail carrier who will often run into the gang.  She has a horrible sense of direction and will often get lost on her rout.  

Suzu Kousake

Suzu is Juynpei's younger sister and a big cat lover; which is not good for Juynpei as he is allergic. 

Shizue Kousake

Juynpei and Suzu's mother who is raising the two of them alone after her husband left for unknown reasons.  She is also a cat lover. 

Unknown:

A few pics of unknown girls.  The bottom three of the same girl who steps on a guy's head.