I came from an alien planet: Using my immortal body to commit suicide crazily

+++++ (One woman × three men with few love lines, growth-oriented, earthy, thunderous and passionate daily life, all the exciting romances you want to see, don’t be prejudicial~)...Fly software has hundreds of There are 100% death rules, but the people behind the scenes don't want human organs, only corpses... Rotting monsters wearing ancient costumes are killing people, and no one who enters the mountain is spared. It seems that the truth has been revealed early, but... Another tragedy lurks. The mysterious death of his roommate revealed the secrets of a wealthy family in this world... strange things happened everywhere. ...