I love Shiratori, just saying. I know people are unsatisfied with the ending, and I am as well. But the thing is I love Shiratori (more than the MC tbh), so the reason why I'm unsatisfied is because I think Shiratori deserves better. Sasabe should get together with Utou, and Shiratori deserves more than Sasabe who will actually never love him. I don't know, I just really love Shiratori so when Sasabe used him as a means to get over Utou I started to dislike him.
*Side note: I have no idea if this is finished or not. It may be a cliffhanger on purpose (open ending) or the author's just on a hiatus. But I hope they finish this!
Kurui Naku no wa Boku no Ban Beta