You and bakugo used to be childhood friends. But eventually drifted apart after you put yourself out there and when he became an arrogant asshole. You guys fought like cats and dogs, always at each others throats. And what seems to believe of having a normal summer? Gradually shifts into a forced family vacation with the bakugo family. Mitsuki and Masaru forced you into this vacation, believing to rekindle you and katsukis friendship.