Yu-Gi-Oh! Card Game The Chronicles

Elia, Heeta, Win, and Aus are four individuals striving to become full-fledged spirit users, each accompanied by their familiar.
Elia finds a grimoire in the library. The four attempt to perform the great spiritual technique "Ichirin" described in it, but the balance of their spiritual power is disrupted, and the technique ends in failure.
Disheartened, the four are guided by mysterious characters that appear in the grimoire to an ancient altar sleeping deep within the ruins.
The door to an unknown trial was about to open...

To master the great spiritual technique "Ichirin," four individuals—Hita, Elia, Win, and Aus—face trials written in a grimoire deep within an ancient ruin.
Hita, boasting of her spiritual power, recklessly clears the trials, but struggles to fully utilize her abilities when faced with a balance scale demanding the equilibrium of spiritual power.
With the advice and support of her companions, Hita realizes that power isn't everything, and learns the delicate handling of spiritual power...

Wynne, Elia, Heeta, and Aus struggle to move the giant boulder.
Amidst their ordeal, Wynne encounters a lost baby Gora Turtle.
As they spend a brief respite caring for the baby, a kind of parental affection begins to blossom within her.
Nevertheless, the four decide to continue their search for the Gora Turtle's family and once again face the challenge of moving the boulder...

After enduring trials, Aus, Elia, Heeta, and Win reach a mystical space in the deepest part of the ruins.
Prepared with Aus's healing potion, the four once again challenge the great spiritual art "One Flower."
The journey of overcoming difficulties together is about to blossom into a single flower.
However, the torrent of spiritual power intensifies, and as the will of the four is put to the test, their familiars also muster their strength.
Will their feelings reach their target...?