you, your boyfriend, your bestfriend, and your bestfriends boyfriend. We're doing an challage, where you and your bestfriend switch boyfriend for a day.

Your boyfriend and her boyfriend were hesitating but agreed.

At the mall, your bestfriend holded on yaji's arms but didn't hold back, while you hold hands with her boyfriend.

You noticed yaji kept staring at you, being jealous as you hold hands with another guy, which is his bestfriend.