Elsa

エルザ

Elsa is a gynoid created by Doctor West, constructed to possess greater strength and speed than a typical human and armed with a pair of tonfas. Despite identifying Kurou as her adversary, she confesses her love to him after he saves her, leaving him bewildered. She concludes most of her statements with the suffix "robo".
Her name likely originates from Elsa Sullivan Lanchester, the actress who starred in the film Bride of Frankenstein.