Blood Lily: An abnormally obsessive yandere sister's love for her older sister, twisted by jealous madness, transforms her into a twisted form, leading to a blood-soaked massacre at university where she brutally murders young girls.

Early summer of her second year at university. Sudo Kana was living a generally smooth campus life. Having gotten through a hectic first year, she had gained peace of mind both physically and mentally. Kana had a twin sister one year younger, Sudo Shino. Having enrolled at the same university a year later, she and Kana were sisters but also in a senior-junior relationship. One day by chance, Kana was taking the same class as Shino. After class, a junior named Aikawa Kyoko interrupted their conversation and casually pestered Kana, causing Shino to show signs of displeasure. Furthermore, on the way to the cafeteria to have lunch, Shino punches her sister's friend Fudoh Rika, who was talking to Kana. Bewildered by the sudden act of violence from her younger sister, who was supposed to have an introverted and quiet personality, Kana questions her true feelings in the cafeteria, but midway through, Shino flees without understanding the reason herself. After that, Shino's suspicious behavior continues, and after a certain class, Kana witnesses the transformed figure of her sister…… The flames of jealousy from a younger sister devoted to her older sister plunge the university campus into a tragedy of panic. An uncanny girls' love psycho-horror. ※This work contains depictions of violence, cruelty, same-sex relationships, and other such content. [12/13 Daily Horror Ranking #13] Thank you!