
Quick answer — Yuuka Morishima voices Cacao in Nekopara, Gripen in Girly Air Force, Touko in Kotaro Lives Alone and 2 more characters.
Yuuka Morishima voices Cacao (Nekopara), Gripen (Girly Air Force), Touko (Kotaro Lives Alone), Maiko (Kiyo in Kyoto: From the Maiko House), Mei (How NOT to Summon a Demon Lord).
Cacao is voiced in Japanese by Yuuka Morishima.