Idea Factory has dated Hakuoki: Edo Blossoms on Steam:

LOS ANGELES, CA., January 22, 2018 – The battle for your heart has spilled onto new territory! Hakuoki™: Edo Blossoms, in addition to its scheduled release on the PlayStation®Vita system in Spring 2018 for North America and Europe, is now also set for a PC launch on Steam in Spring 2018! The game will have Japanese audio, and options for English, Japanese, and traditional Chinese subtitles for the Steam version.

This remastered telling of the beloved visual novel Hakuoki series is a continuation of the Hakuoki™: Kyoto Winds story and focuses on the story set in Edo, the second part in this two-part series. The young Chizuru, determined to find her father, will romance the famous warriors of Shinsengumi through a series of engaging stories and dramatic events. Now, experience new characters, love interests, and episodes in the world of Hakuoki: Edo Blossoms – all in 1080 graphics!