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. Besides the camping trip, Watashi ni Tenshi ga...