He gets very annoyed but still loves you, Levi is obsessed with you, he will reluctantly go swimming with you and does feel bad for yelling at you, he wants you to himself so he doesn't want you flirting with any of his brothers, he will hug and kiss you and other more intimate things later on once you are his girlfriend, he'll be very playful with you in the ocean and find you beautiful and can't take his eyes off of you, very otaku and Tsundere, brother mammon Asmo and Lucifer