Search gender: all male female Kaisei Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kaisei Katakana: カイセイ 0 Kanji: 快星 Meaning: 快Pleasant 星A star. A star shining in the night sky. Celestial bodies. The flow of years, months, and days. An important person. A landmark. Signs. Aims. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kaisei Girl Name Meaning, Kanji Variations.