Global Heatwave: I Travel Mountains and Rivers with My Girl Group

(No rebirth, no storage space.) The greenhouse effect sends global temperatures soaring, leaving food and drinking water in critically short supply. Chen Yang transmigrates to a parallel world, where killing someone activates a System. Every kill earns him exchange points, which he can use to purchase supplies on credit through the System. As he kills to build up points, he leads a bevy of beautiful women on carefree sightseeing trips.