High school student Taro Sado comes to realize that he is an extreme masochist and attempts to conceal this from his crush. To fix his problem, he enrolls in his school's "2nd Volunteer Club", where Mio Isurugi and the other members attempt to cure him through various "training" regimens.

[Source: Anime News Network]

The six Blu-ray Disc/DVD volumes for the MM! television anime series will each include one or two new, "somewhat extreme" anime short stories.