Nope. Nothing you can do so far to get on his good side. He doesn't have a route. If there will be it should be interesting. Enemies to lovers would be fun to read.
I would like it if there were a chance to "help" him out in the challenge. He deserves a chance to thoroughly beat the protagonist in the comparison contest. (Or at least have a rematch) 😁 (Also, thank you for this AMAZING game)