"Well, today's Sena is a gal!" Ai-chan, a black-haired sister, has become a gal! Ai-chan with black hair is also nice, but Ai-chan who is a gal is also nice! But "I want to have sex with a handsome gal man because I became a gal"! Suddenly even the words and actions became like a gal! What will happen! Expectations are high that Ai Hoshina's new charm will be brought out!
