In a series of comedic mishaps, Rito experiences a gender swap when Lala's invention goes awry. Amidst the chaos, his sister Mikan feels neglected, leading to a poignant search for connection. From winning a resort trip to getting entangled in RPG adventures and facing off mischievous sisters, Rito navigates a whirlwind of challenges. As unexpected encounters and quirky inventions shape his journey, friendships are tested, and new bonds forged in this whimsical escapade.