>>102353145

Gemini: Fountain at the first screen after you enter Treno, throw coins thirteen times into the fountain.
Leo: Alexandria (after raid) - Left Tower near Neptune Statue.
Capricorn: Dargelo Library - right hand side.
Aquarius: Ipsen Heritage - right hand pillar at entrance.
Pisces: Treasure chest inside Invincible.
Taurus: Treno - behind the item shop.
Ophiuchus: Return to the Quan Cave that's east of Treno after collecting and returning all 12 coins.