Full-Time Mecha Fighting Spirit

In 2177, the Third World War ended, and mankind left the era of information technology and entered the era of mecha civilization. In this era, mechas have completely replaced tanks, airplanes, cars, ships, computers, mobile phones, etc. And have become indispensable in transportation, transportation, war, life, and trade. However, in a certain high school in City S, a certain boy was in danger of dropping out of school because he was unable to make a mecha...