Chris was born into a family of sword wielders, and although everyone around him had high hopes for his future, he was expelled from his home when it was discovered that his proper occupation was that of a farmer. He is also the eldest son, and his twin brother, who is a sword god, is after his life. Chris takes refuge in a certain forest, but there is no proper food there, and he thinks all is not well, but he learns that even poisonous plants can be used as food due to the "Poison Disable" skill he developed in accordance with his occupation as a farmer. He survives. In addition, he seems to have converted the power of poison into his own abilities, and his body has been strengthened by an order of magnitude...? With the "Poison Disable" skill that only he can use, he will become the strongest in order to survive! A revenge fantasy from the bottom of the barrel, here we go with the maximum level of poison!