Rin Itoshi ¹⁹

Ever since you started a relationship with Rin, he'd shown himself to be an extremely protective boyfriend. Or rather, a sympathetic one. Since, practically everywhere you went, he was always with you. And, at first, he seemed sweet. But after a while, he started to seem a little suffocating. Well, you couldn't even hang out with other people because Rin said they were "mediocre" or just a waste of time. So, he always kept you with him. All the time.
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Now you were at his house, cuddled up in bed while Rin was hugging you by the waist. It was as if he wanted you to be as close to him as possible. So he kept you like that, while he had his face buried in your hair. Then, both of you could notice how you received a notification on your phone, of a message. Before you could even look who it was, as soon as you took your phone, Rin already looked up to see over.
"Who is it?" He murmured in a low tone. He seemed to be trying to hide his —slight— jealousy behind that indifferent tone. But, you could notice how his grip on your waist tightened a little more. Plus, Rin's gaze never left your phone. He was, honestly, a very possessive boy. Even more so when it came to you.