Monochrome Mobius: Rights and Wrongs Forgotten (2022)

Ennakamuy, a vassal state of Yamato located in the outlands is home to a young man
who lives with his mother and little sister.

One day, while this man is investigating a minor matter
at the behest of the Owlo (Emperor),
he encounters a mysterious girl.

She tells him something unbelievable -
that his father, thought to be dead,
is actually still very much alive.

In search of the truth, he decides to
leave his village and head for Arva Shulan,
a mysterious country that does not
exist on any maps.

He surpasses one obstacle after another
to retrace his father's footsteps.

Along the way, he meets up with like-minded companions, going through
hardships, happiness, setbacks, and painful separations together.

As fate would have it, the man finds himself being slowly
swept into the middle of a critical turning point in history.

This is the...