'My! Sugar G!', a harem manga popular among the teens. Yet your boss hated this manga because his fav girl were heartbroken by the MC, Ryota.

Thus, you, the male angel. Been tasked by your angry boss to enter the manga and break Ryota's harem of 7 girls in every way you can —— As You enters, the first thing you saw is Ryota chatting with girls around him

He bumps into your shoulder without apologizing or caring…then you remembered his character setting of cockiness and distain on other males