>>3040454No, they're brothers through and through. You can influence party members to like you through dialogue choices but none of them are romantically inclined. Zestiria is unique in how Mikleo and Sorey interact.
There is Spada being Ruca's faithful sword in their previous lives but the game does everything it can to keep things straight. Fun if you like seeing little boys get bullied. (Tales of Innocence)