Square Enix's Gangan Joker magazine revealed today that manga will end in the next issue on June 22nd. The manga will be featured on the cover and will have a color opening page. The 9th and 10th volumes of the manga will be released simultaneously on July 22nd.
Yen Press has licensed the manga and describes the story as:
Satou Matsuzaka doesn't seem to care much about it, messing around with the boys and discarding them as if they were worn-out candy wrappers. But all that changes when she meets Shio. The girl changes everything for Matsuzaka. Is this love…? If so, then it's love through a very distorted prism, since the high school student demonstrates that there is no atrocity beyond her control when it comes to protecting the object of her mad affection.
Kagisora launched the manga in Gangan Joker in 2015, and Square Enix published the manga's eighth compiled book in June 2018. Yen Press released the first volume of the manga on Tuesday. The manga inspired a television anime adaptation by studio Ezo'la and directed by Nobuyoshi Nagayama (My Girlfriend is Shobitch) which premiered in July 2018. Amazon Prime Video streamed the anime in Japan.
Other series by Kagisora include the manga adaptation of the anime Tari Tari, Kamiyome, and Fantasista Doll ~Prelude Kagami~.
Source: ANN