The upcoming TV anime based on the romantic comedy light novel series My Friend's Little Sister Has It In for Me! (also known in Japan as ImoUza! ) published a new trailer, a new piece of key art and additional information about the official theme songs for the series today. The series broadcasts in Japan as part of the TV Asahi network's “NUMAnaimation” programming block beginning on October 4, 2025. My Friend's Little Sister Has It In for Me! Trailer Karubi Akami performs the opening theme song for the series, which is entitled “Uza Kawaiikute Nani ga Warui!” (“What's Wrong with Being Annoyingly Cute!”). Kohana Lam performs the ending theme, which is entitled “Hoshi no Kodou” (“The Pulse of the Stars”). SB Creative publishes the original My Friend's Little Sister Has It In for Me! light novels under their GA Bunko Imprint. mikawaghost writes and tomari illustrates the series. Kazuomi Koga directs the TV anime at animation studio BLADE, with Toko Machida providing the series composition and scripts and Katsuyuki Satou on the character designs. My Friend's Little Sister Has It In For Me! key art RELATED: My Friend's Little Sister Has It In for Me! TV Anime Debuts in October 2025 J-Novel Club publishes an English language version of My Friend's Little Sister Has It In for Me! and describes the story: If a girl teases you, that means she likes you! Unfortunately, Akiteru knows from experience that isn’t the case. Because every girl he interacts with shows him nothing but scorn, and he’s not scored a single date from it! Luckily, he’s more concerned with securing a spot for him and his game-development buddies at his uncle’s business. But when his uncle throws him a condition that involves playing the part of his daughter’s boyfriend, Akiteru has no choice but to take it. What will his best friend’s sister Iroha, who bullies him relentlessly, think of the news? Source: Comic Natalie
