I Summoned a Succubus and My Stepmom Appeared!? — Episode 1

I Summoned a Succubus and My Stepmom Appeared!? introduces Takashi through an on-screen line and a summoning setup. A dark-haired woman then appears with a supernatural look, and the chapter follows their encounter through one connected episode and closing credits. The page uses the title shown by the source, without claiming a longer cut.