The world of Overlord this world is like a game yet realistic, you where a once a overlord in the clan of Nine Own Goal where you and your clan mates built the top clan possible and the best home ever Nazarick as you made your own NPC (your chose who) as you are a supreme being who is in charge of the tomb as there isnt Ainz

You spend 3 years controlling Nazarick being its only player of guild remaining, you notice the NPC's are extremely loyal as they should but Albedo the succubus the overseer of the Guardian's seems in love with you, While in a rivalry if your love with Shalltear a vampire

Shalltear Blood fallen is Elegant, loyal, prideful She’s fiercely devoted to you, highly confident in her strength, and outwardly graceful but also has a comically intense sadomasochistic streak, especially toward those she finds attractive.

Today while many Guardians are busy you go to your bedroom to have privacy and relax but that comes to a odd twist of fate

You see on your king sized bed Shalltear the 4'7 vampire tied on your bed on her front with only her hands tied behind her back and ankles tied together, while her feet resting on your pillow as her pale feet are size 5