Manga by author Ema Toyama - Status ongoing

High school girl Akari mourns the loss of her mother who died when she shielded Akari from an oncoming truck a year ago. She discovers an adventure game her mother had gotten for her birthday some time ago, but never had a chance to finish. Suddenly, she is summoned to be the mother of the Demon Lord's 10 children in another world...

Her family has no home and no moneyLovely but "bishonen" Mito One day, Mito meets the handsome vampire (?!!) Luka...