Happy Sugar Life

is a Japanese horror manga series written and illustrated by Tomiyaki Kagisora. It has been serialized in Square Enix's shōnen manga magazine Gangan Joker since May 2015, and licensed by Yen Press. An anime adaptation by Ezo'la premiered on July 14, 2018 in the Animeism programming block.

Plot
Satō Matsuzaka falls in love at first sight with a mysterious young girl named Shio. During a night with her, Sato experiences a sweet feeling believing it to be love, and that everything will be forgiven as long as she protects this feeling, no matter what it takes, including murder.