Hollow Son: in an Erotic Survival RPG

I've rewritten this synopsis like five times now, but what can you do? Summaries just ain't my thing. I seriously suck at it, but this time I'm gonna keep it short and sweet.

'The Hollows' are people born without a core. You need a core to fight the Kingdom of Darkness. The Hollows are just regular folks who, instead of fighting the dark kingdom, just live their lives chillin' inside the empire. Daniel was born one of them. Even though his dad is one of the strongest Light Legionnaires in the empire and his big bro Arthur is following in their dad's footsteps, Daniel is basically the family disappointment.

But everything flips when Daniel gets a text from an unknown number saying that if he clicks on a link, he'll awaken his core and also get to mate with hot chicks. He clicks, but surprise, surprise—he gets sucked into a survival RPG that's kinda erotic, where he could die. And he's not alone; he's there with girls and guys from his institute. And what's up with these weird condition and fetish!? Turns out, awakening a core and mating with chicks ain't as easy as it sounded.

[A/N:

*No NTR and Yaoi towards the MC (However, I can't say the same for secondary characters).

*There will be quite slow-paced romance. Even though it's a harem, don't expect all the girls to fall for the MC within the first twenty chapters. Developing the romantic relationship between characters will take many chapters and books. However, don't expect the entire female cast to be in the main character's harem. A little spoiler, but there won't be as many girls in his harem as many might assume at the beginning. Some won't be in his harem due to death, some will date other characters, and there might be other reasons.

*Overall, be prepared for any character's death. Although the setting might seem light and fun here, it's actually quite a realistic and dark story.]