i would riichi that to increased tsumo chance tbh (and ura too)
since everyone knows her ability attract red it's gonna be a huge hand, everyone probably fold. and iirc no one on the current table have a power to slow down other
plot twist - he'll quit either way :v
if he lose he'll quit and probably offered to be mc's assistant
if he won he'd quit then requested to study how she works, or probably go to shonen magazine
i hope he'd get something in returned, for starter I'd demands 20% of total income and could pick any products as a cooperative cost :v
(and also agreement to not gun me down afterword)