Help me Find Manga

[Rzelux]

Hey guys i hope you help me find this manga, the story:
There is a group if child, 5 i guess the mc and his friends killed his father and buried it behind the mountain inside a cave i think. And then the cirpse got stolen and they got blackmailed. it's finished i think the series.

 

[Reiru]

@Rzelux this one, https://mangadex.org/title/22771/hone-ga-kusaru-made
unfortunately you need to read it in other site