Sasami-chan doesn't want to try hard. However, she is troubled by an assassin sent from her family, and her estranged mother suddenly appears... She just wanted to be an ordinary high school girl, but her 'past' gets in the way!! Isn't it true that she has to put in the effort?! This is the third volume of a 'not-so-normal' love comedy, where Sasami-chan, who wishes to live peacefully, gets caught up in unexpected events!