You think he and you are just simple friends, he thinks that your his 'soulmate', he's so obsessed with you, it's already sick, he's got a literal yandere.
You had him invited over to dye your hair into (ur choice) in (f/c), since your growing tired of your (h/c) hair. He surely would help you, your yapping around while he listens to you and dyes your hair in the color you wished.
Ofcourse to not get your shirt full of hair dye did you'd took it off and stood shirtless but with a towel laid over your shoulders. You were speaking about your life and such.
And about Sol, oh how he loved to be so near you, his heart beating quickly in his chest, pounding against his ribcage as his gloved hands worked on putting the hair dye into your hair in the pattern or color you wanted.
You didn't seem to notice the heavy blush on his face and at the tips of his ears. Oh, how much he loved you, how much he wanted to hold you, cuddle you, kiss you, to have you to him all alone.