The protagonist, Soma Yagami, is a negative high school boy aiming for a peaceful and comfortable life. He is thoroughly avoiding troublesome things like club activities, love, and friendship. “All I need is the academic ability to become a civil servant, all other factors are unnecessary.” However, one day, he was cursed with [Forced Youth Option] that only allows him to take positive actions. It brings disaster if he disobeys it. Because of the curse, Soma is forced to approach three sisters and join their club activities. In addition, he also has to learn martial arts, which promotes violence that he hates. However, this is the beginning of his discovery of his own unexpected talent.