Naruto manga chapter 615:
- Naruto get depressed about Nejis (and others shinobis) deaths and Hinata slaps him and then caress his face
- Hinata tells Naruto that his life isnīt only one.. that thanks to his words everyone is still able to fight
- Hinata reminds Naruto on their nindo
- Naruto takes Hinatas hand and thanks her
- Holding their hands Naruto change to Naruto/Kurama form and Kuramas chakra surround Hinata.
read chapter: [link]
Naruto (c) Masashi Kishimoto