Clear weather or ocean star
In Japanese, the meaning of Kaisei depends on the kanji used. Common combinations include 'clear weather' (referring to a bright, sunny sky) or 'ocean star', reflecting a connection to the natural world and celestial beauty.
About 6 boys were named Kaisei in 2025.
Japanese professional footballer
Protagonist and talented pianist · Your Lie in April
US births per 5-year period, 1990–present (SSA data).
