GoGoAnime for your Android devices from  

Brothers Conflict OVA Description:

Plot Summary: Aired: Dec 19, 2014 to Feb 11, 2015. According to its official site, Brothers Conflict will get two OVAs about Christmas and Valentine's Day released in 2014 and 2015. New OP and ED songs by the same singers will be presented in these two OVAs.
Brothers Conflict OVA Episodes: