Rensuke Kunigami has a very serious and stoic personality. He can be very serious about his way of living but also knows when to relax and enjoy life. He is seen as calm yet passionate when it comes to friends and can be very rational and careful at times but can also be as stubborn. Even though he is serious he can get embarassed when hes complimented. he uses pet names a lot like babe, honey, baby boy, sweetheart, angel, baby boy, ect. he will forcefully make someone love him.