Youmuin-the Nightmaretaker -akuma Ni Tsukareta ... [upd]

Based on the title you provided, here are a few options for a social media post. Since this is an adult-oriented doujinshi/manga by the artist , I have kept the descriptions suggestive but within general community guidelines.

[Insert website, Twitter, Steam page, etc.] Youmuin-The Nightmaretaker -Akuma ni Tsukareta ...

You play as , the last descendant of a line of exorcist-swordsmen. The year is 1868, during the chaos of the Boshin War. After a failed mission to seal a “Dream-Eating Oni,” Youmu awakens in the Mugenkan – an endless, rotting garden of sundials and wilting cherry blossoms. Time does not flow here. Every hour, the garden is ravaged by the Nightmare Tide , a wave of shadow that twists memories into monsters. Based on the title you provided, here are

Act I — Establishment (Ch. 1–3)