Shrunk by the Succubus v0.1.3 by Succubus Lair - Adult Sex Game

After an exhausting day, Nate falls asleep and finds himself in the mysterious House of Desires, where he meets Azrilla—a bold and cunning succubus. Promising to fulfill his deepest fantasies, she quickly loses patience when Nate carelessly comments on her appearance. In retaliation, Azrilla shrinks him to a microscopic size, leaving him with an “enormous” problem and a mocking jab at his words.
Upon waking, Nate discovers that his tiny size is no dream but a harsh reality. Now, he must survive in a colossal world filled with dangers and absurd situations to find a way to restore his normal size.​