Absolutely!

"You're an idol, Rise" he said with a grin "If you really think you're talented enough to do all your idol stuff AND be a cheerleader, how about a contest?"

"What does the winner get?" Sadayo asked with a pouty face.

"Well.... I was gonna say 'anything you want' but Since Makoto here doesn't really have 'wants' at the moment, how about this? The winner gets my undivided attention for the next half hour. I mean, the other girls will still be here, but I'll only focus on you or Makoto. Whoever wins."

"... Fine. Deal!" Sadayo said with a smile.

Ren took a moment to think. He could make it more interesting and bring Ann and Sumi in on it too..."