Monster Musume Harem wo Tsukurou! - Chapter 73: Number 2966, rather...

A very sweet entertainment circle novel about a closeted gong x fudanshi shou.

- Description from Novelupdates

When Viscount Ascham’s House’s eldest daughter, Adele von Ascham, became 10 years old, she remembered everything with an intense headache.

There is a very strange restaurant in the City of Sin.

At the end of the dark 40,000 years, the enemies in the Milky Way launched their final offensive. When the end of the Era comes, the eternal war will come to an end. The human empire has now reached its destined final moment.

But the gear of fate does not end. The fate of the Milky Way will be determined by him and them as it was ten thousand years ago. What will happen at the end of this dark 40,000 years?

- Description from novelbuddy