Yoo, Gang-soo

About this character

Ijin's grandfather was devastated after learning of the plane crash, and mourned the deaths of his children. Years later, he was relieved to discover that his grandson Ijin was still alive. He learnt to cook and bought Ijin a smartphone. Ijin is very close to his grandfather. (Source: Mercenary Enrollment Wikia)

Anime and manga appearances

• Teenage Mercenary

  Supporting

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