Transmigrated into a Froakie, and My Trainer Is My Big Brother!

(The author is new to writing.)

Two protagonists: one turns into a girl, the other into a Pokemon.

Two brothers living far apart arrange to meet. After one night, the younger brother wakes up in shock to discover that he has become Froakie from Pokemon, while his older brother has turned into a beautiful young woman. A boy and a frog stare at each other in silence.

This is a story about two brothers adventuring in the world of Pokemon.