Garo: Makai Senki Episode 9

An aging actor views in dismay as a pretty-boy pop singer with no acting talent hams his way through a play, though cheered on by his fangirls the whole time. Kouga and Kaoru are in attendance until Kouga leaves saying how he does not have time to waste. When the aging actor discovers a Horror hidden inside a make up kit he takes the chance to regain his youth and health and then kills the singer backstage so he can take his place as the star.