After-School Sweet Temptation, Pink-Haired Secret

In the after-school classroom, a pink-haired girl smiles as she loosens her uniform. She's the secret lover of a classmate. Soft sunlight from the window makes her red eyes sparkle. In the empty room, they were supposed to share a sweet moment, but a sudden visitor...? Her alluring gesture hints at the start of a story. A thrilling adventure hidden in everyday school life.