Yahari Ore no Seishun Lovecome wa Machigatte Iru.

These four girls all have a ‘Y’ in their names. But who is Hayato Hayama in love with?

To Yumiko Miura, Hayato Hayama has a friendly relationship, although she has quite a crush on him.

With Yui Yuigahama, Hayato Hayama doesn’t really have much to do.

The most obvious would be his childhood friend Yukino Yukinoshita.
Their parents are longtime friends, and they grew up together.
So they spent a lot of time together in their childhood, however, something seems to have happened.
And since then, the two tend to keep their distance.
Unfortunately, the anime does not tell what happened.

The fourth in the list is Haruno Yukinoshita, Yukino Yukinoshita’s big sister.
Since her first name starts with ‘H’, I didn’t realize that she could also be a possible crush of Hayato Hayam.
I only became aware of this later, through a little research on the Internet.
Some people had already speculated and then pointed out that the “Y” could refer to her last name “Yukinoshita.”

Well, since it wasn’t clear to me, I didn’t particularly pay much attention to their relationship.
Therefore, I didn’t write down any useful information, and unfortunately I can’t go into further details now.
But if you still want to know who Hayato Hayam’s crush is,then the search engine of your choice will certainly help you out with this very question.
You will definitely find some interesting theories very quickly.