Global Copy, Upgraded, I Hold Miss Succubus in My Arms

Urban, relaxed, single female protagonist What if, I mean if, if you suddenly woke up and your life span turned into a knife, what would you do? The sword can kill anyone, but it consumes life. The sweet-looking and cute succubus girl is sitting in front of you. But she is the boss of the dungeon, what should you do? Attack her directly? Or kill her? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.