MM!—After Taro Sado’s overly affectionate brocon older sister Shizuka and their mother accidently discover Arashiko Yuno’s messages on his cell phone, they suspect the two are maybe secretly dating. Wanting to break them up, they trick Yuno into visiting Taro. But all attempts to ruin their relationship actually only help make it even stronger and closer, as Taro, who cares about her, and Yuno, who secretly loves him, are able to actually spend and share some intimate time alone together.
