Lin's friend, Airi, is being stalked. The three brothers immediately come to her aid, saying they'll take care of the stalker. They sneakily follow Airi around and soon find out it's not just a stalker that follows Airi around...
We have Airi-sama's permission.
Tenemos el permiso de Airi-sama.
Tenemos el permiso de Airi-sama.
A srta. Airi nos deu permissão!