I was thinking a long time now can Gai's Harmonica be a weapon or a Henshin Item for his form beyond Ultraman Orb Origin.
Buruda (the Girl from Foreign Country) had announced that she will appear once again in Episode 5. Ultraman Orb Origin will appear in Episode 17. It's still a long way to go.
Ultraman Orb Episode 5: "Heart that won't run away"
Air Date - August 6
SSP gets a information from a girl that she is chasing a Alien. In order to confirm the report Naomi Yumeno went to meet her. This woman's real identity was Zetton Seijin Madoc. He kidnaps Naomi in order to call Gai Kurenai (Ultraman Orb).
Buruda who played the Girl in Ultraman Orb Episode 1 during the fight between Zetton & Ultraman Orb Origin had announced that she will appear in Ultraman Orb Episode 4 airing tomorrow.