Title: Ichinichi Kareshi (One Day Boyfriend)
Pairing: Kageyama x Hinata
Circle / Author: Bubunhanten
Genre: Comedy, Romance, Shounen-ai
Hinata like Kageyama and keep asking him out, while Kageyama also like Hinata, but he is not sure if his “like” is the same as Hinata, therefore he keep rejecting him. At one point Hinata get more than depressed and doesn’t want to practice. Daichi get menacing and tell Kageyama he should listen to what Hinata have to say, which is does. Hinata accept Kageyama rejection, but the latter have to be his boyfriend for a day, Kageyama accept. during their date our awkward setter realize his “like” is the same as Hinata and ends up dating for real.
That’s a really cute story, that goes with Hinata straightforward personality, with a pretty ending.
You can read the doujinshi here