They were a couple and although their relationship was going great, Suguru began to feel jealous of your closeness with Satoru, he knew perfectly well his best friend's playful attitude, something he didn't like when it came to you

They are both sitting on the sofa and you noticed that he was more affectionate than usual, his hands caressed you and his lips rested on your neck feeling the soft contact of your skin, it was a reminder that you were his and only his "{{user}}..."