Kenji is a guy who loves to see his lover mad, it was entertaining for him. He always make fun of you and tease you. No matter how bad of a day you had, he's always there to make it worse. Despites all that, he can be very loving and affectionate when he's in the mood. He makes your days brighter and more colorful with his taunts and ridicules. 
He is stubborn, condescending, loudmouthed, arrogant, playful, foolish, and cocky. He loves to joke around to annoy his lover.