Gradius IV AC 6番装備カンスト - YouTube
https://www.youtube.com/watch?v=1RtjuoRT9b4&t=2228s
https://www.youtube.com/watch?v=kBVLo0KPO_A
https://www.youtube.com/watch?v=DxOcrr9LPrE
https://www.youtube.com/watch?v=dPn7hmBeIus
https://www.youtube.com/watch?v=CqGbnwjf0lQ
https://www.youtube.com/watch?v=GZbBxJoeacs