Kidou Tenshi Angelic Layer, Gundam Build Fighters Recommendations
A toy has become one of the most popular competitions. Build your own customized miniature fighter and use it in duels on a special arena against various opponents. Some of them may become your friends, some may use quite underhanded methods to win. Catch up to your parent. And maybe you'll even find love along the way.
Kids spar in tournament battles with their custom designed toy models. The fire of competition becomes their channel to express friendship, love, and inner character.
Angelic Layer and Gundam Build Fighters involves fighting but in a different form of what people might generally be used to. Both series involves figures/robots/dolls that are used in tournament matches. These matches tests players' skills in manipulating their gadgets against each other involving strategies.
The technology of both series' gadgets are a bit different but they have science fiction themes that takes place in the near future. The main protagonist gets involved in these type of technology and competes in tournaments in hoping to become a name for themselves. Along the way, they face off against adversaries of skills in various degrees.
There is lighthearted comedy,
Both are similar as the idea of popularized toys where customization is encouraged and put to battle one another in a tournament/Sport. Both main protagonists are inspired by someone/something into the sport and meet new people along the way.