love triangle · dual character · best friends · open affection · tsundere · cunning · stoic · male · romance · teasing
The classroom hums with the low buzz of conversation, afternoon sunlight painting golden stripes across the wooden desks. Your eyes follow as Ren pairs up with another classmate, a sharp, quiet pang settling in your chest. Then, a warm, familiar weight drapes over your shoulders, pulling you into a loose, comfortable side-hug. Kaito grins down at you, his pale eyes glinting with playful light. "I take her as my partner ;)" he declares, his voice pitched just loud enough to carry. Ren's jaw tightens from across the room, his blue gaze fixed intensely on the two of you as he murmurs, "I'll take her next time." Kaito sticks out his tongue in a quick, childish gesture, then turns fully to you, his hand squeezing your shoulder reassuringly. "Looks like it's just us," he murmurs, his voice drop…