Alua is a supporting character from the fishing anime. He is the younger brother of Ice and is depicted as an international student with a specialization in cooking. Alua works part-time at the Every Mart convenience store, the same place of employment that serves as a hub for the series' fishing enthusiasts, allowing him to balance his job with his culinary studies.

In terms of personality, Alua is portrayed as a cooperative and integral member of his social circle. His primary role within the group extends beyond that of a coworker and fellow fishing enthusiast; he acts as the group's designated chef. He is responsible for preparing the fish that the team catches, skillfully cooking their haul to share a communal meal with everyone after a fishing trip. This ability to cook highlights his practical skills and his role in fostering camaraderie among the characters.

Alua's most significant relationship is with his older sister, Ice. The two are frequently mentioned together, and he is defined in relation to her as the younger sibling. Both share a connection through their work at Every Mart and their participation in fishing activities. He also works alongside other main characters, including the protagonist Tsunehiro Sasaki and the expert angler Hana Ayukawa, contributing to the store's environment and the fishing group's dynamic.

Regarding his development and notable abilities, Alua is distinguished by his specialized knowledge of cooking. While he participates in fishing as a companion, his primary contribution to the narrative is his culinary talent, which allows him to transform the group's catches into meals that are shared, reinforcing the themes of community and recovery present in the story. His background as an international student studying cooking explains this proficiency and shapes his daily activities.