I Got Reincarnated as a Chad

Story:

After Koganei abandoned the woman to whom he confessed his love, he angrily ran away and was hit by a car. And naturally, as Koganei is no stranger into isekai show, he understands he will have some type of cheat ability to become overpowered and live a gradual life. And so he attempts to start his status up display… only to discover that this world does not have video game stats. He then attempts to utilize his OP magic abilities… just to find out he's too young to learn magic. So he decides to simply invent modern technologies to get ahead… just to learn that this universe has magic apparatus that are identical to contemporary technologies. Theodore is in an impasse. He is not strong, he is not smart, and he is not handsome. So just what is his cheat ability? For what purpose was that he reincarnated in the first place when he had been just reborn as a normal boy?