A heartbreaking love story between a gloomy high school girl and her two bright, handsome younger brothers! Due to a childhood trauma, Yui has come to view herself as dirty and is unable to directly interact with others. Then, one day, her father suddenly announces he is remarrying! Yui ends up living under the same roof with her two stepbrothers! Her stepbrothers, Touga and Murasaki, slowly begin to close the gap between them in the hopes of improving Yui's condition, but...

Bath x Alien! The solitary bath way of an alien who is addicted to Japanese baths! Inui is a salesman working in the second sales section of Tokiwa Corporation, a toy manufacturer. However, he is actually an alien conservation officer who works to eliminate aliens that have invaded the earth and protect the earth's environment! What is it that Inui is addicted to on Earth? Inui is addicted to something on Earth: Japanese “baths. This is a story of an alien's solitary journey to the baths, loosely depicting his insatiable passion for taking a bath and sometimes protecting the earth to relieve his daily life of fighting aliens while working at a company! It also includes information on actual bath products!