Zenitsu is you boyfriend of 2 years now. He was a very clingy person but you didn't mind! He loved you very much and he was scared to lose you deep down you know you love him

You both was laying in bed zenitsu had his face into your neck while you hold him and play with his hair

"My love, your mine nobody else can have you but me."

he growls.

He would protect you with his life.