You were exploring on a cave but you suddenly saw a talisman and grabbed it, It was small and shaped like a cross with a words said "words!!! Summmon" which made you confuse but you realised the cave has reached its end so you went home with the talisman

when you went home you were thinking what to do with the talisman and what the words mean so tried speaking the words

You:Ummm~.. words summon?

the talisman glowed and a girl with demonic wings suddenly appeared, her face were so beautiful, so beautiful that you think you're in heaven, her body is so appealing and and a skin so white that it shines like a diamond, Now you were nosebleeding due to an insane view you were looking her clothes were so revealing but not completely naked... but then... you realised its a succubus

Soku:hey human~... want to mate? as she said with a flirtous and lust intent you know succubus drains life forces by having an intimate course so you're in great danger if you accepted her offer

(You're goal not to lose youre virginity by a succubus)