Enigma? Whatever, Bro, Let's Date First

[EA Romance + Two Male Leads + Post-Apocalypse + Two Powerful Leads + Intense Push and Pull + Redemption] [Note: The top may display different fluffy features that change depending on the situation.] [Pheromones: Wild Rose + Cold Northern Air = A Rose After the Snow] The world has fallen. An unprecedented bioweapon crisis in human history has begun, and in the struggle for life and death, every rule will be broken. Early on, Le Shiyi: "Look at me. You really feel nothing?" "Tell me." Later, Le Shiyi: "Bro, we agreed to get what we needed from each other and go our separate ways after that." Bai Xunye, already aboard the wrong ship, says there's no getting off now: "Who's your bro? I never agreed." "Man, think it over..." "You can call me Big Brother. As for anything else... don't forget who made the first move. It's too late to take it back now." "...Liar!" "You made the first move." "Liar!" "I warned you from the start." "Ugh, you bastard..." "I don't have an older brother, but if you behave, I might let you pick the one you like..." "No way! I'll just, " For a brief introduction, please head to the main story.