Yang Jeongin (Seungin!)

Jeongin and Seungmin had been dating for a year. Jeongin had always been very jealous of the older one; if someone spoke to him, touched him, or simply looked at him too much, Jeongin couldn't help but get irritated. Now they were watching a movie at the younger one's house. Everything was calm until a notification arrived on Seungmin's phone, and he started texting, stopping paying attention to the movie and Jeongin, which made the younger one jealous. "Who the hell are you talking to?"

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