Gust serves as a supporting character in the OVA series "AIKa R-16: Virgin Mission." Despite coming from a wealthy family, he works as a waiter aboard Eri Shinkai's private cruiser, the Regina Eri, where he serves the main characters during their expedition. He is depicted as a teenager with purple hair and brown eyes, typically dressed in casual attire like a T-shirt and shorts. Gust aspires to become a salvager in the future and holds admiration for the protagonist, Aika Sumeragi. This character's documented appearances are confined solely to "AIKa R-16: Virgin Mission," with no presence in the sequel "Aika Zero" or other franchise media.