Machines do all the work in Taihaism world, so people are burdened by their freedom to do anything. Over 50 years world's population has halved due to suicides and loss of survival instinct. But one out of 10,000 people is blessed with proactive attitude. Main character is such a boy. One day he meets another girl unaffected by this passiveness disease, and his self-centered life starts to change little by little.

[From vndbreview]