Ai-chan lives with her parents and her shut-in brother. One weekend evening, Ai-chan was in her room worrying about not being able to get a boyfriend...then she heard a voice from heaven saying, "Worrying Lamb-chan! Sona! Let's listen to your troubles!" said the voice of heaven... When she tells the voice of heaven about her troubles, she is handed [Bloomers] and decides to try them on... Ai, clad in a mysterious power, suddenly becomes a semen hunter and attacks her family...
