Ani Love -Josou Bishounen Kakumei!-

The protagonist, Naoki, lives alone with his older brother Yuuki. - One day Naoki comes home and finds a strange girl there; she is, in fact, Yuuki. - It seems that Yuuki has started identifying as a woman. - Naoki vows to turn his brother back into a man, but starts developing strange feelings toward the female Yuuki.​