Haikyuu: Zero To Almighty - Chapter 13: Aoba Johsai

The NPC sets out on a journey to defeat the Demon Lord, joined by beautiful girls he meets along the way.---This is an NSFW story, so if you're under 18, turn back now, son. No NTR, and no full-on Yuri. There might be slight Yuri—like girls kissing and stuff during threesomes—but it's not that kind of Yuri where the girls fall in love with each other while in a relationship with the MC.---

Ham Dani, a normal student whose hobbies were to read novels.

One day she woke up and find out that the girl next-door is as beautiful as a web novel protagonist.

And in school, there was the introduction of ‘The Four Heavenly Kings’.

The world changed into a web novel just over night, and Ham Dani’s role is heroine’s childhood friend 1!

“I just want to live normally, but why is everyone doing this to me!”

Due to a strong fate ‘The Four Heavenly Kings’ and the heroine entwines Dani’s everyday life.

And the results are?

Liu Yan, an ordinary office worker from Earth, unexpectedly traveled to a strange world.

The heroes of the ages are on the side, embarking on a journey to conquer the heavens.

- Description from novelbuddy

As a reward for preventing the assassination of the current king, Rou Coral is rewarded with becoming and escort of the Royal Princess Reaina who the boy adores so much. Thus begins his new life of servitude under his beloved high-headed Princess full of happenings and happy little accidents. Surrounded with Busty Head Maid, young Loli Princess and a Childhood Friend Maid, for the boy knight today is yet another day of struggle in this womanly paradise!!