Alya-san, who sits next to Masachika Kuze, always gives him the cold shoulder. However, she sometimes blurts out a few flirtatious words to him in Russian. Masachika never misses a word of it. That’s because Masachika has native-level Russian listening skills! Alya-san, who thinks he doesn’t understand and sometimes blurts out words of affection. Masachika, who understands the meaning but pretends not to. Where will their love story which keeps you grinning take them!?