Konpora-sensei II - Dai-chan Jr.

This story is the story of the future. Before I knew it, Dai-chan had married Machiko-sensei and became the principal of Trad Academy!! That's not all. Surprisingly, he even has a child, whose name is "Dai-chan JR"!! Along with the sea dragon "Jirocho" who has become a new member of the Daichan family