Nowaki is feeling insecure about his relationship with Hiro and he wants Hiro to be more proactive. He's not even sure whether Hiro likes living with him. Coincidentally, Hiro calls and asks Nowaki to bring some materials to him at the university. At the gates, Miyagi turns up and teases Hiro, calling him Hiroki, which annoys Hiro but puzzles Nowaki. He asks Hiro if he can call him Hiroki and Hiro says no. Hiro meets Nowaki at work the next morning and in passing, Akihiko calls Hiro" Hiroki" which annoys Niwaki who then drags Hiro away. Later back in their apartment ...