You Were Supposed to Farm the Wasteland, So Why Did You Grow Cthulhu?

As a graduate student in botany, Jiang Chen only wants to grow crops and be self-sufficient in the apocalypse.

[Ding! A distress signal has been detected from an icy beauty of a policewoman. Rescue her?]

[Ding! A sophisticated older woman is trapped in the CBD. Rescue her?]

[Ding! The innocent campus beauty with life-based powers is in danger. Rescue her?]

[Ding! A sexy research fanatic is trapped in a P4 laboratory. Rescue her?]

Jiang Chen: “Wait, wasn’t I here to farm? How did I become a professional rescue team?”

(He may complain, but his body is eager to help.)

Facing thousands of zombies, he plants a [Doom-Shroom], and one mushroom cloud clears the whole area.

Lin Wei (shocked): “Y-you call this farming?”

Jiang Chen (raising an eyebrow): “What else? How do you think I can afford to feed all of you?”

Just when he thinks he's only building a harem in the apocalypse... uh, a home,

he discovers that the plants he grows have begun calling out to the ancient gods in the abyss...