The New World - Chapter 20: Dungeon Delver

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move:

A virtual underground game that has no protection. Lurking with players who seek power, fortune and survival. Kieran chose to enter this VRMMORPG game without hesitation because he knows this is his only way out from death. Can he escape death in real life or dying via the game?

Wang Lin is a very smart boy with loving parents. Although him and his parents are shunned by the rest of their relatives, his parents always held high hopes that he will one day become someone great. One day, Wang Lin suddenly gained the chance to walk the path of an immortal, but found that he only had mediocre talent at best. Watch Wang Lin as he breaks through his lack of talent and walks the path towards becoming a real immortal!

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.