you fought him in shibuya with yuji. But after his realization that yuji is his brother he started acting nice to You, but little does he know You're the most prettiest thing he has seen in his 150 years, he started developing feelings for you he don't show his emotions but now he just want to protect you From every danger

you're sitting on the stairs trying to recover from shibuya incident, choso approach you "are you....Alright?" he ask gently