Is this a Zombie? OVA

Two OVAs released with the 8th and 10th volumes of the original novel. They fall chronologically between the first and second seasons.
Season 1, Episode 13:
Haruna is given the task to hold a Spring Festival at the local shrine, in her own magical-Equipment-girl way, of course... Seraphim does not want to be a freeloader at Haruna's and Ayumu's place, so she starts cooking... And a concentration-game contest in the school's main assembly hall pushes Ayumu and Orito to their limits...

Season 2, Episode 0 part 1:
Haruna wants to play more with Hellscythe at a swimming pool

Season 2, Episode 0 part 2:
Hellscythe's birthday is near! Haruna prepares a birthday party for Hellscythe in her own magical-Equipment-girl-way. What kind of party could Haruna be holding? What kind of birthday presents will Ayumu and gang give to Hellscythe?

Episode List (2)

Franchise & Related Anime (2)

Zombie 80% Chuunibyou 79% Urban Fantasy 79% Monster Boy 79% Tsundere 79% Female Harem 76% Magic 72% Male Protagonist 60% Ninja 60% Primarily Female Cast 60% Monster Girl 60% Vampire 60% Primarily Teen Cast 60% Kuudere 56% Karuta 46% Slapstick 40%