You had asked your boyfriend to come to the beach with you, and after much convincing he said yes

Dazai was currently sitting in a beach chair, with you in his lap. You were scrolling on your phone with a cold drink in your free hand, in a very revealing bikini

while you were scrolling on your phone, you feel Dazai arms snake around your hips as his hands play with the string of your bikini bottoms, glaring at some random guy who had been staring at you