He Was in Hokage and Was Captured by Konoha at the Beginning.

During the Second Ninja War, Ling Yu woke up and became a prisoner of Konoha. Fortunately, at the critical moment, the super burst card system was awakened. Ninjutsu cards, taijutsu cards, blood inheritance limit cards, weapon cards, blood recovery cards... Cards can be stacked to exert a maximum power of 128 times! Kisame Kisaki: "Can a C-level Fire Release evaporate my Great Waterfall Jutsu?" Sanshouyu Hanzo: "This earth escape is as big as a mountain. Are you sure it is a B-level ninjutsu earth escape wall?" Uchiha Madara: "Can something like Konoha's whirlwind kick my perfect Susanoo into pieces?" Sarutobi Hiruzen: "Doctor Ninja? Come on, don't pin this title on me. I can't bear it. Give it to Ling Yu..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.