Season
- Season 1 2014-01-04
- Season 0 2014-06-30
Episode
- Episode 1: Mitsuki SOS
- Episode 2: Shining Amidst the Storm
- Episode 3: Heavy-Hanging Fruit
- Episode 4: Heartcatch Hiyori-san
- Episode 5: Naughty Body Snatcher
- Episode 6: Oh! A Ghost!
- Episode 7: Fumbling Around? Club Activities
- Episode 8: Alone Together at the Aquarium
- Episode 9: Battle Heater & Iron Chef
- Episode 10: Kanzaki Mitsuki Wants to Live in Peace
- Episode 11: Ghost ~Phantom in the Bath~
- Episode 12: Farewell, Hiyori-chan
Recently, My Sister is Unusual Season 1 Farewell, Hiyori-chan
A girl named Mitsuki Kanzaki lives with her step-brother Yuya after her mother remarries. One day, Mitsuki is possessed by the self-proclaimed spirit of a young girl, Hiyori Kotobuki. Hiyori (in Mitsuki's body) must fall in love with Yuya to move towards the "Gates of Heaven."
