Hey Teacher, Don't You Know?

"I Like Riichi" leading actress of the adapted series, Nanase, declared such a rivals-in-love situation to Hana. What's more, Riichi and Nanase went on a shooting where they were away for a week. Hana felt anxious, yet editor Kiritani proposed a duel-interview between Hana and Nanase for a magazine. While Nanase was getting serious about Riichi, this love triangle might turn into hell?.