Zuihou de Zhaohuan Shi  

The Last Summoner, 最后的召唤师, 最後の召喚師 -The Last Summoner-

A young cook discovers an unexpected visitor in his kitchen who changes his mundane existence forever. this person is dora, a charming spirit and goddess, but despite her adorable appearance, the cook isn't interested and tries to avoid her. however, fate has other plans - when he accidentally becomes a summoner, there's no going back in life.