Nobunaga discovers that one of his "wives" brothers is also a person from his past. And this boy is in love with him too...
Ranma, this is that 
Nobunaga-sensei guy, so...
...رانما، هذا هو نوبوناغا-سينسي الّذي حدّثتك عنه، لذا
Ranma, das ist dieser
Nobunaga-sensei, also …
Ranma, este es el profesor Nobunaga,
así que…
Ranma, ojo, que es el profesor Nobunaga…
Je te présente
le fameux M. Nobunaga.
Ranma, questo è quel professor Nobunaga, sai...
Рамма, это тот самый Нобунага...