SPOILER They were all in the same orphanage run by Edea, but only the gun guy remembered, the rest forgot due to (HANDWAVE) GF junction amnesia. ... it's kind

SPOILER They were all in the same orphanage run by Edea, but only the gun guy remembered, the rest forgot due to (HANDWAVE) GF junction amnesia. ... it's kind of spectacularly good and bad at the same time. But it is bad. The spoony video shows how bad it is, and yet like you it is clear he's played the game MANY times.