Bad Born Blood - Chapter 142

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

“The Shadowx, the name of a warrior who does not have any elemental powers.Fighting those who stand in his way, his goal is still ambiguous. But, the light will be shed on it later after.”“A world which is led by elements, an era in whom humanity took control of the elements which are 4 main elements (Flame, Frost, Shock, Terra).”“A threat known as the dark powers came to destroy this empire of elements which is held by the strongest 3 elemental warriors, The Emperors.”“Even me, I am a warrior named Radiant. Time shall come to reveal everything, EVEN...ME.”

When other people experience a body transformation, it is inevitably either male to female or female to male.

Me? I wake up to find myself transformed into two different bodies.

Both a male body and a female body, one conscience operating two bodies, all sorts of embarrassing moments.

Walking together normally makes other people think that I am sweethearts with my other-self, such sadness.

Also, the entire business of a hero rescuing the beautiful maiden, I call Bull.

I get slashed by a sword and my female body gets abducted, and he wants me to thank him?!?! Can it be less of a tragedy?

- Description from Novelupdates

…but it seems pretty doable.