Yuichiro Hyakuya and his family after they escaped from both sides of the demon imperial army and the vampires. They suppenly appear to travel to another world, where they in a continent called Ylise. They later then joined a group known as The Shepherds. Now they fight in their new lives in this world in the name of friendship, bonds peace and family.

Yuu x Shinoa
Mika x Tiki
Yoichi x Lissa
Shiho x Cynthia
Mitsuba x Gerome
Makoto x Say'ri
Male Robin x Lucina
Chrome x Sumia
And
Other pairings include has well