: Elena Arshavina (also known as Lesya), a silver-haired exchange student from Russia, arrives and immediately confesses her love to Moroha Haimura . While Moroha is polite but cautious, his friends Satsuki and Shizuno are immediately jealous and suspicious.
In episode 7 of , titled " The Silver-haired Foreigner " (or "The Silver-haired Alien"), the plot centers on the arrival of a mysterious transfer student and the introduction of a new threat from the Russian division. Key Story Beats
: Torn between her growing feelings for Moroha and the pressure from her handlers in Russia. Seiken Tsukai no World Break Episode 7
: It is revealed that Elena is working as an assassin for the Russian branch not by choice, but to protect her younger brother. She is known as a powerful "Shirogane" who can use Prana to enhance her physical combat.
: A battle breaks out between Shizuno and Elena. Shizuno uses her ice-based "Freezing Shade" magic, but Elena reveals her demon sword, Replazan , which allows her to absorb magic attacks and gain the upper hand. : Elena Arshavina (also known as Lesya), a
: Remains accommodating and tries to treat Elena as a friend, despite the trap-like nature of her sudden advances.
: Shizuno Urushibara suspects Elena’s motives are sinister. She eventually confronts Elena at night, accusing her of being a " maneater "—a codename for an assassin sent to target Moroha. Key Story Beats : Torn between her growing
: The episode ends with the tension between Moroha's trust and Elena's hidden mission, setting the stage for a direct conflict between Moroha and the Russian division. Character Dynamics