MTL - I’m Actually Really Rich - Chapter 9

After transmigrating to the Great Desolation world, he became Dijun.At first, he did not want to be this demon emperor, just wished to be a carefree innate sage. However, appointed by the Dao Ancestor Hongjun, he had no choice but to take on this heavy responsibility.As for the war between the Witches and Demons, Dijun is not interested at all, he only wants to lead the demon clan in building the Great Desolation, and win the favor of heaven and earth, earning virtues and fortune.And the Zhou Tian Star Array, was it created for battle? Dividing day and night, establishing the four seasons, transforming chaos into innate aura, benefiting the Great Desolation, this is the true purpose of the Zhou Tian Star Array.With virtues and fortune upon them, who dares to provoke the demon clan?Under Dijun’s leadership, the entire demon clan continually contributes their strength to the construction of the Great Desolation.

I have a childhood friend.

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates

The story is about a man whose compulsive tendencies make it impossible for him to keep a job, and a young girl who skips school and loves insects. The two meet, come to support each other in reintegrating into society, and fall in love. There’s a problem, however: namely, the parasites in their heads.