ref: a6ac67dea2ea7a1a35fce63a8bd10deb7147c3ed dir: /data/items/mail_items.asm/
MailItems: db FLOWER_MAIL db SURF_MAIL db LITEBLUEMAIL db PORTRAITMAIL db LOVELY_MAIL db EON_MAIL db MORPH_MAIL db BLUESKY_MAIL db MUSIC_MAIL db MIRAGE_MAIL db -1