Summary:

Rozanov glanced at Shane's phone screen, reading the top notification. Then his mouth curved. “Duolingo, huh? So fucking boring, Hollander.” Shane’s face went hot. “Yeah,” he said. “Learning French.” Rozanov’s eyes snapped to his. The smirk deepened. “Bad liar, Hollander. You are fluent.” or - Ilya finds out that Shane has been learning Russian behind his back.