不死鳥への転生 ドラゴン倒せるって普通の鳥じゃないよね？ (Associated Names)

Somewhere in Japan a young boy spent much of his time in the hospital due to illness. Looking out from the hospital window, he always thought: “I want to be a bird a bird, and fly freely across the never ending sky” On that fateful day, he passed…. Only to find himself reborn as a…