Nobunaga-sensei no Osanazuma  

Mr. Nobunagas Young Bride, ノブナガ先生の幼な妻, Nobunaga Teacher's Young Bride, Mr. Nobunaga's Young Bride, La novia del maestro Nobunaga

A middle school teacher named nobunaga has always dreamed of encountering a girl who loves him, like in a video game. however, instead of finding someone from his own time, he was met with kichou, a 14-year-old girl who claims to be his wife and demands that they have a child together. despite her apparent arrival from the sengoku era and mistaken identity as nobunaga oda, the two embark on an age-difference love comedy adventure.