The story revolves around Neyunse a very special lycanthrope,He is the king of all lycanthropes he comes from Aria a kingdom where

Everything is possible since, cat women, vampire demons and of course Succubos
Everything begins when He is sent from his birth to the Human world by his mother
Leandra and his dying father Sefirot.
Here Neyunse meets his future family who are Elune Lala (Adoptive Mother), Elune Nana (Sister), and Elune Yuto (Adoptive Father)
Nevertheless Neyunse is admitted to a new school Where Yuzuki Akiyama will meet a student What Would Be Human?
How will this relationship evolve? Who is Yuzuki Akiyama in reality?