S4·E9 Sash of Wishes

Aoyagi ignores Teshima's attempts to stop him and goes back to save Kaburagi, who has fallen behind. Meanwhile, with encouragement from Koga, Kaburagi begins to regain his form, but he's still not at full strength. That's when he sees... Aoyagi! Believing Aoyagi has also become exhausted and fallen behind, he moves up and begins racing ahead instead! They catch up to the pack in front of them. In order to get ahead of and out of the pack, Aoyagi hands Kaburagi a note from God so he'll increase his pace. On that note is written the lyrics to a certain song...!