I mean, sometimes their preferences can be rather easy to figure out! I don't really know about Hajime though.

[She's still blushing even now. Ugh, what does that even mean? Why is she blushing so hard? Hajime is a good guy, he's good to her. She can't trust these feelings though.]

Regardless, whomever ends up being the person who catches his eyes and gains his affection. They will be lucky. I know it.