Come to the civilization before the collapse of the Three Kingdoms to be a hero

This book is also titled "What It's Like to Have a Rich Woman's Girlfriend and a Scientist's Confidant in the End Times", "My name is Fu Su but I have no blood relationship with Fu Hua", "Why does this purge of sins look so much like a solar tomahawk"
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The dim light dotted the wine bottles on the bar, and Fu Su was mixing drinks for his comrades at this moment.
"Kevin, this cup of Godfather, I respect you."
"Alicia, Tequila Sunrise, it suits you very well."
"Eden, my lover, this Margarita is for you."
"Sakura, this cup of Snow Country from your hometown is for you."
"Qianjie, drink this martini, don't go crazy with me."
"Su, after much deliberation, I think it's better to bring you a cup of classical music."
"Dr. Mebius, Iced Royal Coffee, I made it for you in advance."
"Wah, just relax, here's your sangria."
"Dr. Mei, White Negroni. Also, please rest early, your body is not as good as our fusion fighters."
"It's for myself at last, Negroni."
……
"Suffering has tempered us, suffering has made us, and scars have forged us. Today we swear together that no matter what the price is, mankind will surely defeat Honkai!"