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Shida Naori is a college student who loves making alcoholic drinks but has no friends to share them with. At a mixer, she meets Ibuki Hinata, who she ends up taking home with her. After making her a drink, Naori discovers that Hinata is an ogre-girl descended from Shuten-doji who needs alcohol to live, can only drink alcohol offered to her by humans, and grows horns whenever she drinks. Thus, Hinata decides to make Naori her personal bartender.
Rick jumps off to reunite with Sachino in the afterlife, whom he had been in love with for a long time. When he wakes up, he finds a mysterious wizard standing there. The manga illustrated by zinbei, related to the album HappyEND by HoneyComeBear. Each chapter occurs with the song and music video of the same name, with 10 songs and 10 main chapters taking place over a period of 10 days, each music video releasing on the day of event from August 1st, 2021 (Sunday) to August 10th (Tuesday) telling the story of Rick and Sachino.