How to read: けいすけ
Pronunciation: 
Same names and idioms in reading:
啓允 敬介 恵祐 圭佐 惠輔
Names and idioms with total stroke of 15:
出師 昌志 己等 官見 尚杜
Names and idioms similar to 蛍介:
禎介 麟之介 哲介 箕之介 狷介味
Yojijukugo(idioms with 4 Kanji characters) including 蛍介:
狷介固陋 狷介孤高 跌宕狷介
Proverbs including 蛍介:
鳴く蝉よりも鳴かぬ蛍が身を焦がす 蛍雪の功 鳴かぬ蛍が身を焦がす