Aru Hi, Damin wo Musabotte Itara Ichizoku kara Tsuihou Sarete Mori ni Suteraremashita Sono Mama Netetara Mawari ga Katte ni Mamono no Kuni wo Tsukutteta kedo, Watashi wa Ki ni Sezu Kyou mo Nemurimasu

Claire, a vampire who loves nothing more in this world than sleeping, is banished to an unfamiliar forest by her grandfather, who could no longer stand her laziness. However, after she happens to encounter a Fenrir, a legendary monster, and makes him her kin, many other monsters begin to gather under her command. As she sleeps, the once-untamed wilds develop into a land where monsters live, but the humans have also sensed the disturbance in the forest... (Source: emaqi)