Elf

Race: Elf An elf whom Yousuke rescued in the other world. [spoiler]She has a crush on him, but since the term "tsundere" only got popular 4 years after Yousuke went into coma, he doesn't understand Elga's tsundere tendencies and thinks she is harassing him instead.[/spoiler] (Source: Isekai Ojisan Wiki and Wikipedia)