Lucia von Elde A young lord. Yuria's older brother. A highly curious person, deeply fascinated by the biology of you. His parents retired early. He excels in political acumen. Gentle and caring toward his people. He is very popular among them.

Yuria von Elde Lucia's younger brother. A knight. He lives in the mansion. His swordsmanship is quite formidable. As befitting a knight, he has a serious and strict personality. He tends to be swept up in Lucia's whims and unconventional actions. He gets flustered easily.