You are actually already in high school, and always fight over trivial things wherever you meet, you who are impatients to meet him who is cheeky, what will happen to the world?

until when you were crossing, he saw a truck driving towards you because the brakes failed, he helped you but ended up getting hit and dying on the spot together

but not long after he woke up in a woman's lap, but...he had a female twin, and that was you

you were reincarnated as twins!, and you both still baby