Imouto wa Kanojo ni Dekinai no ni  

15-sai JC Imouto (Ryaku), 妹はカノジョにできないのに, My Little Sister Cant Be My Girlfriend, My Little Sister Can’t Be My Girlfriend

This young woman possesses both striking beauty and an exceptional character, setting her apart from others in her daily life. As for her romantic relationship with her brother in this comedy film, it is certain that they will eventually unite in love.

Imouto wa Kanojo ni Dekinai no ni began as a web novel on Kakuyomu under the title "15-sai JC Imouto (Ryaku)" (15歳JC妹（略）) on March 1, 2021. Kadokawa has released a revised and illustrated version of the series since May 10, 2022 under its Dengeki Bunko label.