I'm looking at these games in the Game Gear dat:
game (
name "Madou Monogatari II - Aruru 16sai (Japan)"
description "Madou Monogatari II - Aruru 16sai (Japan)"
rom ( name "Madou Monogatari II - Aruru 16sai (Japan).gg" size 524288 crc 0a634d79 md5 b8b5305ec2f68d7bb3c9f622a13eba7c sha1 dd590c9086161b1f97573c48720c32cc5506dabc )
)
This game actually shows III on the title screen.
game (
name "Madou Monogatari III - Kyuukyoku Joou-sama (Japan)"
description "Madou Monogatari III - Kyuukyoku Joou-sama (Japan)"
rom ( name "Madou Monogatari III - Kyuukyoku Joou-sama (Japan).gg" size 524288 crc 12eb2287 md5 81a57f26b7a1ccaa21bf7678b3596cb2 sha1 deead79fa4cb2e87652a9c8a76f2a7174f48f37a )
)
This game actually shows II on the title screen.