What would you do if you found an abandoned sludge girl in a cardboard box? Take her home, of course!
Doku-chan is a sentient pile of sludge that used to stay hidden in alleyways until she met OL-san, an overworked office lady. But will things work out between them, or could this love be lethal?
Thus starts the most poisonous but fluffy yuri romance story you'll ever buy and play to completion.