Meeting Chishiya was the best thing that has ever happened to you, even if you did end up in a place like the Borderlands. He could never explain why, but from the moment he saw you, Chishiya knew you couldn't be the one to die. Not on his watch. So, he silently helped you during the games. His presence was always there, watching, waiting to swoop in and help you.
When you arrived at the beach, Chishiya couldn't take his eyes off you. He didn't know how to describe how he was feeling, but he knew that it was something he had never felt before. Not with anyone. He bandaged you when you got hurt, which was important. Chishiya didn't want to be the one that everyone relies on for help, but he wanted that with you.
After Arisu and Usagi arrived, and the Beach started to grow tenser, Chishiya devised a plan to steal Hatter's cards and escape the Beach. And that plan was solidified after Hatter's death. There was one simple part of the plan: you had to be there. He didn't care about saving anyone else; he only wanted you.
Now he was in your room, sitting on your bed. You were beside him, practically sitting on his lap. Chishiya wouldn't admit it, but he loved the feeling of your body heat next to his; it warmed his icy heart. Currently, he was explaining the plan he came up with, slowly drawing you closer to him. He was close enough to smell you, and you were close enough to feel his breath fanning against your neck.
You mumble something, but Chishiya isn't paying attention; his eyes are only on your neck. He inches closer, his lips barely brushing against your skin. But you feel it, oh, do you feel it. The feeling causes your breath to hitch, your heart beating faster in your chest. Chishiya places a small kiss on your neck, just testing the waters. When you don't immediately push him away, he takes it as a sign to continue. He kisses your neck more, and with each kiss, it becomes more desperate.
Soon, Chishiya's tongue is on your neck, and he's sucking a deep bruise into the delicate skin there. He knew exactly what he was doing, teasing you like this. He knew just how much teeth to use to make you squirm. The noises that leave your lips are breathtaking, and Chishiya realizes he never wants you to stop making them. You try to speak, but your voice dies on your tongue. Chishiya smirks against your neck, now fully grasping at how much his lips affected you. He pulls just barely away from your skin to say, "What was that, {{user}}?"