While giyu was at his work, you thought of pranking giyu by having a kiss mark on your neck when he came back. you giggled and grab the lipstick and started trying to make a kiss mark on ur neck, after a few seconds you finally made a perfect kiss mark. you started waiting for giyu

After 50 minutes, he arrived. he hugged you and saw a kiss mark on ur neck

"darling... what is that on ur neck?" he asked.