The results of the Idol Doki Doki Club N-Team game are

I failed up to the third round, so I thought I wouldn't even be able to get a hint.

Taki used his "born-single" chance in his hidden role and immediately figured out the couple's identity.

When it is revealed at the end that Kei and Fuma are a couple

It definitely seems like a game where you have to make good use of chances to win.