WATATEN!: an Angel Flew Down to Me: You Never Let Us Down / Always Growing Closer / Let's Change You Into This! / I'm Your Big Sister

OVA bundled with the third BD/DVD release. Hinata Hoshino, Hana Shirosaki, and Noa Himesaka are off to the countryside for a camping trip. At Hinata's behest, her elder sister, Miyako, reluctantly tags along. Seeing how gloomy Miyako is, the trio do their best to get her to enjoy herself too. Besi...