: A flashback reveals that as a young girl in Russia, Alya was an overachiever who grew frustrated when her classmates didn't take group projects seriously. This led her to become an isolationist, believing she should do everything alone.
: Alya's sister, Mariya (Masha) , meets Masachika for the first time in the present day. While shopping for the student council, she hugs him to comfort him after he is reminded of his parents' divorce, though the moment is cut short when she accidentally spills hot tea on him. KakushiDere_Ep_03_SUB_ITA.mp4
: A major revelation for the audience is that Masha, not Alya, was the young girl from Masachika's childhood memories who first spoke Russian to him. Context for "SUB ITA" : A flashback reveals that as a young
: In a pivotal moment, Masachika steps in to "rescue" Alya from several boys who were pressuring her to dance, eventually taking her hand himself. While shopping for the student council, she hugs
This episode is primarily focused on and the origins of her crush on Masachika.
: The episode details how Alya and Masachika met during a middle school festival. While Alya was struggling to handle everything herself, Masachika helped her understand the value of teamwork.