Story of the Side to Expel the Party Member: The Party Was Weakened, but We Aim to Be the Best in the World

"Exile" and you're weakened!? A "do-over" fantasy of a failed party!
"Stardust", an up-and-coming party, in order to aim even higher, expels Est, a “burden” of the party members.
But as a result, the party is weakened and Est is awakened!

In this "Serves You Right!" situation, a swordsman with zero motivation and zero pride rises to the occasion!
This is a story about the "Aftermath" of the "Side that Banished Him".