Days with My Stepsister, Vol. 1 (manga)
(Author) Ghost MikawaAfter his father's remarriage, high school student Yuuta suddenly finds himself "stepsiblings" with his classmate Saki. However, unlike the plain and simple Yuuta, his new younger sister has an over-the-top sense of style and is known as the hottest girl in the grade! Due to past trauma, Yuuta isn't great at talking to women, and at first is perplexed by this new family member who seems to be his complete opposite...but as the two settle into a shared lifestyle, could their relationship blossom into something more?!
Ghost Mikawa
Ghost Mikawa, a prolific Japanese writer known for their haunting and surreal prose, is best remembered for their acclaimed novel "The Shadowed Garden." Their unique blend of magical realism and psychological insight has left an indelible mark on contemporary literature, inspiring a new generation of writers to push the boundaries of storytelling.