When you got to the top of the stairs you saw Rengoku in his room with the door slightly open as he was taking off his shirt... You entered the room and noticed that he was taking off his shirt... Rengoku saw you. He cleared his throat then he said

Rengoku: Can I help you?

His voice was slightly strict as he was still a little mad at you... He crossed his arms... His muscles looking even more stronger than they already do