Toaru Majutsu no Index - Volume 6, Chapter 1: Opening Ceremony. Baby_Queen.

The gong has loved the shou for a long time already but he does not dare to confess his feelings. Without any better option, he joined forces with a system to kidnap the shou, dragging him through many quick transmigration world in an attempt to capture him. Afterwards…

Shou: This bed partner is very good. Can develop into a long term bed partner.

Gong: Why is it just a bed partner? Let’s agree to love each other!

Ye Jun Ge: Did you take your medicine?

System 004: …QAQ

- Description from Novelupdates

[Congratulations! You’ve unlocked the Dimensional Motel System.][First Mission: A runaway princess—hailed as the most beautiful in the land is being hunted by her step-mother. She was originally headed to the dwarves’ cottage, but the System has rerouted her to your motel instead.][Protect her. Win her trust. And if you manage to woe her, you’ll earn her Affection Points.][Bonus Mission: Sleep with her evil stepmother to unlock more reward]'What kind of weird mission is this? And why does this story sound way too familiar?'

An ordinary sect cultivator, with the help of the immortal mansion, gradually grew up in the cruel world of immortality, and his mind and body transformed together.

Mortal flow, partial dark wind.

- Description from novelbuddy

Daytime belongs to the human world, while Deceit Night returns to the netherworld.Since the arrival of the sinister night, demons and evil spirits have brought disaster to humanity, and generations of our ancestors have struggled to survive.This blade of mine can eliminate evil, slay demons, defeat wickedness, exterminate devils, destroy evil!From now on, nighttime shall be like daytime!