Sakura Nova, a hentai visual novel developed by Winged Cloud. Released November 5, 2016. Available for download on Nutakus digital store for $15.00. Available for PC Windows and Linux. Full Japanese female voice acting.
In Sakura Nova, you play as Mikage Shinzaki. You are the son of Zero, the strongest knight in the kingdom. Mikage is teamed up with Kaguya Setsuna and Arisa Moegihara.
Source: N4G PC [NSFW] Hentai Game Review: Sakura Nova – Hentai Reviews