Softhouse Chara (ソフトハウスキャラ) is an eroge company based in Osaka, Japan. Unlike most companies in the eroge industry, Softhouse Chara doesn't make ADV titles, but focuses on producing SLG games, each one with brand new game mechanics.
[Description taken from
Wikia]
Company to disband end-March 2020 and distribution of game catalogue to transfer to DMM.