u/Yae_Miko_HSR

They're both like, elegant sword users whose whole thing is speedblitzing everyone until they meet an actual top tier and get wiped, that's close enough. I will say Hiroto should probably be banned from flying though.

Location: opposite ends of Irishima island, both are aware of the other's existence but don't see them

Bonus round for the funny: Quanxi gets her girlfriends and Hiroto gets Yoshinojo