
Quick answer — Man with a Mission performed 2 anime themes, including "Mobile Suit Gundam: Iron-Blooded Orphans – Opening Theme 1 – Raise your flag" from Mobile Suit GUNDAM Iron Blooded Orphans, "Winding Road" from Golden Kamuy.
Man with a Mission performed the anime theme songs "Mobile Suit Gundam: Iron-Blooded Orphans – Opening Theme 1 – Raise your flag" (Mobile Suit GUNDAM Iron Blooded Orphans), "Winding Road" (Golden Kamuy).
Man with a Mission's first listed anime theme is "Mobile Suit Gundam: Iron-Blooded Orphans – Opening Theme 1 – Raise your flag", the opening of Mobile Suit GUNDAM Iron Blooded Orphans.