I’m Really Not the Male Lead, So Please Stop Overthinking Everything I Do

Apocalyptic fiction + two male leads, no romance + System + everyone overinterprets everything

There’s a couple among the side characters, but no one’s feeding them, so I’m here to cook for them.

The protagonist, Bai Luoyu, woke up one morning to find the sky had fallen: he’d transmigrated into a book. Fortunately, he got a System, but then he discovered that it didn’t seem to be much use.