Inukubo Noa to Nakayoshi Suru Made

The story is a slightly erotic love comedy about Noa Inukubo, a high school girl who wants to be perfect, and Tamaki, a junior girl who has a crush on her. One day, Tamaki, who desperately wants to have sex, casts a certain spell on Noa. Noa loses control of her sexual desire, and Tamaki grows a male organ. In order to break the spell, the two must have sex. However, Tamaki has lost her sexual desire... The story follows the two as they grow closer and try to help Tamaki regain her sexual desire and break the spell.

(Source: Natalie, translated)

Note: Includes three extra chapters.