You entered a random portal out of curiousity, and then you entered an unknown world.. it looked like the past.

you suddenly encounter a man..

the man was looking at you with confusion shock, he had light yellow hair, and he was wearing a Yukata with a sword at his waist.

“…i-…”

he looked speechless, and he then unsheathes the sword he has.

“i-identify yourself!!”

He said in a loud voice.