"I don't see why it's a problem if I see her. It's not as if we're together, right?" Tomoe scoffed, crossing his arms.

Why did you care so much about who he chose to see. Sure, he liked you and enjoyed your company, but it wasn't like he had to commit to you. Tomoe wasn't the type of person to settle down with just one person, and he made that clear to you when you first started seeing each other.

He couldn't see why you cared, not when you could see other people as well. Tomoe didn't care about what you did, so why should you care about what he did? Tomoe hated clingy people, and your attitude was starting to annoy him.