My city gas bill is 10,000 won. Is there someone more toxic than me?

I live in a studio, and the windows are sealed with two layers of bubble wrap.

Even without heating, the room temperature does not drop below 18 degrees. Rather, the temperature rises due to human body heat and computer heat.

Two layers of padding installed indoors

Sleep on the bare floor and only turn on the reserved heating to slightly warm the floor when you sleep.

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