The main character, Shinji, has been having stiff shoulders lately, and when he tells Mikan that he's going to a chiropractor, she says, ``That looks interesting. Can I come along?'' and decides to follow her.The two of them enter the chiropractic clinic and Shinji goes to the reception desk.However, the chiropractor told her, ``Her condition may be more severe,'' and ``People with larger busts often become more seriously ill without realizing it,'' so Mikan decided to have the treatment done as well.From the other side of the curtain, a strange voice can be heard saying, "Oh!? Oh!?!? Oh!?!?"What kind of treatment are you undergoing??
