A-Channel
Tooru and Run have been best friends for ever, when Tooru finds that she has was able to enter the identical high school since Run, she runs to tell her... only to get Run in a compromising position with still another girl, Yuko. Need less to say, making matters a bit awkward in the school, with Tooru fending off while their girlfriend, Nagi and Yuko, need to bargain with Run penchant for drama, those that may be thinking about Run.
(Source: Sentai Filmworks)