Season 1
Mitsuki and Yuya become stepsister and stepbrother because of their parents' marriage. Mitsuki can't get along with her new family and Yuya doesn't know how to approach his new stepsister. One day, Mitsuki becomes possessed by the spirit of Hiyori. Hiyori likes Yuya and believes Yuya can help her get to heaven. Hiyori places a leather chastity belt upon on Mitsuki and a plan takes place to help send Hiyori to heaven.
Episodes
1 Mitsuki SOS Jan 4, 2014 
2 Shining Amidst the Storm Jan 11, 2014 
3 Heavy-Hanging Fruit Jan 18, 2014 
4 Heartcatch Hiyori-san Jan 25, 2014 
5 Naughty Body Snatcher Feb 1, 2014 
6 Oh! A Ghost! Feb 8, 2014 
7 Fumbling Around? Club Activities Feb 15, 2014 
8 Alone Together at the Aquarium Feb 22, 2014 
9 Battle Heater & Iron Chef Mar 1, 2014 
10 Kanzaki Mitsuki Wants to Live in Peace Mar 8, 2014 
11 Ghost ~Phantom in the Bath~ Mar 15, 2014 
12 Farewell, Hiyori-chan Mar 22, 2014