You can also try a search for こうせい.
Names — 338 found
いのうえこうせい
【井上康生】
1. Inoue Kousei (1979-)
かもこうせい
【加茂公成】
1. Kamo Kousei (1932.5.10-)
2. Kosei Kamo(May 10, 1932) is a Japanese former tennis player.
こうせいえき
【甲西駅】
1. Kousei Station
2. Kōsei StationKōsei Station is a train station in Konan, Shiga, Japan.