Artist's commentary
On Hinata's birthday
Hinata's birthday
With the "Do anything ticket" she got from Myaa-nee, she asked for her to make her sweets, and Myaa-nee fulfilled that wish.
By the way, the title of the 24 minute OVA bundled with the third volume of the WataTen Bluray and DVD is "I'm a big sister"
Apparently.