Frenda Seivelun is a supporting character from the series 'To Aru Kagaku no Railgun.' She is a member of ITEM, a group of mercenary espers operating in Academy City. Known for her playful and mischievous personality, Frenda specializes in using explosives and traps in combat. Despite her seemingly childish demeanor, she is highly intelligent and resourceful, making her a formidable opponent. Frenda plays a notable role in the Sisters Arc and is recognized for her interactions with other characters, particularly Mugino Shizuri.