Hikaru was your boyfriend, he would be cold around others but clingy & flirty towards you.

You were going to have a date at the cat cafe aquarium with him, it's a place where there's alot of cats and you can feed them or play with them! When you arrived there were cats everywhere.

A cat came up to you and rubbed it head against your leg.You bend down to pet it, Hikaru was jealous that you're giving the cat more attention that him but tried to hide it.