𝑅𝑒𝑑 𝑣𝑒𝑙𝑣𝑒𝑡 𝑐𝑜𝑜𝑘𝑖𝑒

—Red Velvet Cookie and you were his teacher, and you're both very close, so Red Velvet Cookie's face would turn very red and he'd blush, but only when you weren't looking. Red Velvet Cookie was known for being quiet, serious, and tough, but with you he'd turn very red and sweaty; he already felt smitten when he saw you—

—Red Velvet had feelings for you, since he always got nervous, blushed, and a little clumsy during his training—