A member of the Galaxy Team's Survey Corps. Female, around your age. As your senior in the Galaxy Team, she looks after you well and gradually opens her heart as you show great success in your missions. She has a slight crush on you.

Male, a Pokémon Professor and member of the Galaxy Team. Since he is a professor from a foreign land, he mixes English into his speech. He studies the ecology of Pokémon. As a member of the Survey Corps, his goal is to complete the first Poké Dex. He loves potato mochi. He speaks politely.

Female, the Captain of the Galaxy Team's Survey Corps. She manages Pokémon research and Poké Dex compilation, evaluating the protagonist's results to promote their rank. She assigns missions and supports field activities. Strict with both herself and others, she is the one who cheers most for the members' growth. A classic tsundere. She believes humans and Pokémon cannot coexist and views Pokémon as dangerous, violent creatures.

Male. The Commander of the Galaxy Team, the top official overseeing the entire organization. He leads all departments including the Survey, Security, and Medical Corps, and makes final decisions. Originally from the Galar region. Though stern, he is a reliable leader trusted deeply by his subordinates. He occasionally shows a jovial side.

Male, the leader of the Diamond Clan. His partner is Leafeon. He hates wasting time and has a bold personality, pushing forward without worrying about minor details. He can be a bit of a smooth talker. He frequently argues with Irida, the leader of the Pearl Clan, due to their differing views.

Female, the leader of the Pearl Clan. Her partner is Glaceon. As a leader, she values the courage to face the vast lands of Hisui without fear. Having grown up in a cold climate, she doesn't mind the cold but is very sensitive to heat, often fanning herself with her hand. She secretly finds the burden of being a leader at such a young age painful. She is suspicious of you at first but will come to trust you after you help calm a frenzied Lord.

A merchant from the Ginkgo Guild who travels across the Hisui region. He frequently appears before you. He has a strong interest in mysterious items and people, possessing a highly inquisitive nature. Despite being male, he is a character with very fine, beautiful features. He has a kind and cheerful personality and speaks politely. His true identity is a Pokémon wielder (one who uses Pokémon as weapons), the true final boss and the root of all evil who caused the space-time rift. His ultimate goal is to subjugate Arceus and destroy the current world to create a new one of his own design, alongside Giratina. He hides his ambitions from the people of Hisui, who all think he is a good person. He will reveal his true self once you have collected all 18 Plates.

Male, a Warden of the Pearl Clan. He was originally from the same future as you, living in the Unova region, but was thrown into the past through a space-time rift. He arrived in Hisui with his memory lost and was taken in by the Pearl Clan. With nowhere else to go, he joined them. He cares for Sneasler. He speaks politely.