Maria, the daughter of a count, was approached with a marriage proposal, but decided to fake her death and escape to a monastery. The reason being that she was a fake daughter who had no blood relation with the Count. She got onto her carriage with haste, but she passed through the glass forest where mythical beasts lived. She ended up in quite the difficult situation as she was suddenly taken away by a giant hamster, which was in fact a mythical beast. That was when the neighboring country's prince appeared. Not only did he save her, he also prepared a place for her to work as a doctor which had been her dream. Regardless of whether or not there were any hidden intentions involved, Maria appreciated it. This is a love comedy about a girl who somehow got entangled with a mythical beast. 公子から婚約を打診された伯爵令嬢のマリアは、決めた――死んだふりをして、修道院へ逃げようと。なぜなら彼女は伯爵とは何の血の繋がりもない、まがいものの令嬢だから。そうと決まれば善は急げと修道院へ向かう途中、マリアはガラスの森の側で巨大ハムスター(幻獣)の群れに連れ去られてしまう。どうすることもできずに死を覚悟したその時、颯爽と隣国の王子レイヴァルトが現れて――!? ワケあり王子となぜか幻獣に好かれてしまう令嬢が織りなすラブファンタジー！