Tsurenai Hodo Aokute Azatoi Kurai ni Akaiつれないほど青くて あざといくらいに赤い; Холодно-синий и коварно-красный

Tsurenai Hodo Aokute Azatoi Kurai ni Akai manga, Is this senior female? Male? Neutral? Demonic? A transfer student suffering from an incurable disease called curiosity meets a mysterious being (human) who is beautiful, cute, cool, and terrifying. The first of a new generation of horror comic authors presents an abyssal love story, a ghost story to peek into and sensuality to you.