Shouta Magatsuchi
真ヶ土 翔太
Shouta is a young boy born into a family of mages in the modern world. He is quite a shy person most of the time when being with Lucoa. When Lucoa attempts to seduce Shouta, he would run away with embarrassment and accuse Lucoa to be a demon.(Source: Kobayashi-san Chi no Maid Dragon Wiki)
Manga
