王妃を捨てたら、国が凍りました

Elara, the Sun Saintess, hides her identity as a lowly elf to marry King Kent, draining her magic to sustain humanity's Eternal Flame. Pregnant, her power's absorbed by the fetus. Deeming her useless, Kent dumps her. Upon her departure, the Flame dies. To save his kingdom, Kent seeks the Sun Saintess, only to find she is his discarded wife...