chikarikotranslations:

Source: しはる | @syahara88
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T/N: This was for ChikaRiko day on 11/3!

Also, they’re playing the “I love you game” where you say “I love you” and try to get your partner to blush. It’s a much more heart-throbbing game in Japanese though, since they have different ways of expressing different kinds/intensiities of love.
In this case, Chika and Riko are saying aishiteru ^^