Ryugujo Spa Hotel Mikazuki
Kisarazu, Chiba, Japan
Baby Shark’s very first hot spring adventure begins with a splash of surprise in the warm water!
Along with Baby Shark’s exciting onsen debut story,
we’ve prepared a special hands-on event for the whole family to enjoy together.
From collaboration-exclusive visuals and commemorative photo spots
to special merchandise plans for both overnight stays and day visits —
discover unforgettable moments that make your trip even more exciting
at Ryugujo Spa Hotel Mikazuki.

Baby Shark’s first hot spring adventure begins with a splash of surprise in the warm water! Along with Baby Shark’s exciting onsen debut story, we’ve prepared a special hands-on event the whole family can enjoy together.