tsuki is a baby ringed seal whose name means "moon". she was born on march 21st, 2025, which makes her about 3 months old. she is also the baby of yo & katsunori. tsuki is known for having quite a mouth on her just like her mama, yo-chan!
fun fact: before tsuki's name was officially announced, fans called her "yo-ling"
mashiro is a young ringed seal who was rescued by the tokkari center. his date of birth was sometime during december 2024. mashiro is well-known for having very distinct similarities to another seal the center had, ponsuke, who passed away in may 2024.
fun fact: mashiro-kun is the most adorable baby ever and this is not opinion fact only btw.
katsunori is a male ringed seal at the tokkari center. he was born in december 2012 and he deeply admires yo-chan! fans love his adorable crumpled face that forms a heart-like shape on his forehead!
fun fact: ringed seals smell like gasoline during mating season