History said they were friends(BL)

Two love rivals, 17 year old black hair loren and blonde nate goes on an excursion to the museum. The students looked at a 15th century painting of blonde prince and a black hair general who has the same name as loren and nate and looked alike only with different last names. After that, loren and nate woke up in a completely different environment in five year old bodies but with fragment of their memories.The love rivals soon become friends and their friendship went down in history.Are the historians right?,were they truly just friends?.