I Narrowly Survived the Zombie Apocalypse at Sea

[No system + no Holy Mother + no immortality + single female protagonist. It starts taking off after thirty chapters! The secret research institute of a great power was attacked, and in just two days, zombie viruses broke out all over the world! Is it a natural disaster or someone specially did it? How will the college students who participated in the survey at sea and luckily avoided the disaster survive when they returned to land? The world at this time is already full of zombies, making people despair. Make weapons, recruit people, and grow your team! Through the exchange of interests and mutual use, Li Weinian gradually uncovered the shocking secret behind this doomsday!