Day 1 - Tuesday, the 16th: Mabayu wakes up with the realization that she can see the future through others' eyes. She visits Homura in the hospital and warns her that her visions represent the best possible outcomes she can reach. Homura also warns Mabayu to stay away from Mami.
Day 2 - Wednesday, the 17th: Homura rewrites her lab results and eliminates Kyubey near Madoka's house. Kyubey introduces himself to Mabayu, but she pretends to view him as a messenger of God destined for failure.
Meanwhile, Mami meets Homura in the park, who proposes she shares information on Witches in exchange for Mami not recruiting Magical Girls. Mami attempts to fight her but fails, stunned by Homura's speed. Homura warns Mami to be careful what she shares with Kyubey.
Day 3 - Thursday, the 18th: Homura shoots Kyubey while Madoka, Sayaka and Hitomi are on their way to school. The girls hear the shots but mistake them for firecrackers.
Mabayu and Homura meet in an alley to prepare for a Witch hunt where Mabayu practices her future sight. Later, Mabayu keeps an eye on Madoka and updates Homura.
Day 4 - Friday, the 19th: Mabayu keeps pretending to be superstitious when Kyubey tells her he's been regularly shot when approaching Madoka.
Day 6 - Sunday, the 21st: The class visits the factory, and Madoka and Sayaka accidentally enter the Witch's Barrier. Mabayu helps them escape, and together with Homura, they defeat it.
Madoka and Sayaka encounter Kyubey, but Homura warns them to stay away. Kyubey recognizes Mabayu and uncovers their deception.
Day 7 - Monday, the 22nd: Kyubey approaches Mami to mentor Madoka and Sayaka, but Mami refuses due to Homura's previous warning.
Day 10 - Thursday, the 25th: Homura enrolls in school and Sayaka is immediately suspicious of her. Homura later speaks with Mami on the school rooftop to inform her of a Witch's location, holding her end of their agreement.
Homura and Mabayu go fight a different Witch and find Madoka and Sayaka inside of the Labyrinth. Mabayu predicts the future to fight the Witch most effectively, but Sayaka gets hurt during the battle and then taken to the hospital.
Day 11 - Friday, the 26th: The next day, Madoka visits Sayaka in the hospital. Sayaka is thankful she didn't make a contract, noting how dangerous Witches are. Madoka feels bad that Homura has to fight Witches alone, but Sayaka insists Homura must have gotten a wish that was worth it.
Day 13 - Sunday, the 28th: Homura trains Mabayu and Madoka approaches them. She asks whether her becoming a Magical Girl would be of any help to them and Homura tells her that she'd only be a burden.
Day 15 - Tuesday, the 30th: Homura meets Mami on the school rooftop and Mami asks whether Sayaka was hurt during the fight against a Witch. Homura warns her to not be too curious and leaves, but Mami resolves to follow Homura and find out more about her.
Later, Mabayu and Homura talk about methods to discourage Madoka from contracting. They notice Madoka talking to Kyubey and Sayaka sees her too. She realizes Madoka and Kyubey have gone inside a Labyrinth and follows after them, but she's attacked by Familiars. Mami saves her and goes to fight the Witch while Mabayu and Homura find Madoka. Homura makes Kyubey tell Madoka that Magical Girls become Witches and hopes the truth will be enough to keep her away from contracting. Homura and Mabayu go to fight the Witch, but midbattle, it behaves strangely and spits out a Magical Girl they'd never met before. Homura defeats the Witch and the girl introduces herself as Nagisa Momoe. As they're talking, Madoka approaches in her Magical Girl outfit and Homura is devastated. They all go to café Récompense and Madoka reveals that she wished for the Witch to be set free of her despair. Kyubey reveals that this Nagisa is the embodiment of the remorse cut out of the Witch's body. They decide Nagisa will stay with Mabayu and Sakie in exchange for Madoka and Homura working part-time in the café.
Day 16 - Wednesday, the 31st: Madoka, Homura and Mabayu start working together and Sakie agrees to make the "world's greatest cheesecake" for Nagisa. Together with Kyubey, the three girls discuss what Nagisa's regret could be and prepare to fight H.N. Elly, who is supposed to appear that day. Inside the Barrier, Mabayu predicts the future and while fighting, notices that Madoka's potential has increased. Madoka hesitates in the fight and Nagisa shows up and defeats Elly herself. Nagisa asks her not to hesitate when fighting Witches, and Mabayu reveals to Homura that Nagisa would convince Madoka better than Homura could.
Kyoko goes to Mami's apartment due to the odd situation in Mitakihara, but finds no sign of her. She suspects something is seriously wrong.
Day 17 - Thursday, the 1st: At Récompense, Madoka, Sayaka and Hitomi celebrate Sayaka's discharge from the hospital. Sayaka reveals she was saved by an unknown Magical Girl in a Labyrinth, which changed her view on Magical Girls. Madoka confesses she has contracted, and Sayaka asks what she wished for.
Nagisa, Homura and Mabayu have a latte art competition, with Madoka as the judge, and Mabayu wins. Hitomi leaves first and Madoka tells Sayaka that Nagisa is a Magical Girl too.
Madoka, Homura, Mabayu and Nagisa kill an Anja Familiar and are approached by Kyoko, who accuses them of killing Mami. Homura calls Kyoko by name and the two parties reluctantly disperse while Nagisa gets sad.
Day 18 - Friday, the 2nd: At work, Nagisa is still sad and runs away after another latte art competition.
In a park at night, Sayaka is approached by Kyoko with a photo of Mami, asking if she knows her. Kyoko reveals that she watched the security footage at the mall and that Mami never exited Charlotte's Barrier and Sayaka reveals that Madoka is a Magical Girl.
At home, Mabayu tries to cheer up Nagisa with a cake and cheesy puffs and Nagisa reveals she's been having nightmares. Mabayu contemplates on her abilities and her mother's fortune telling.
Day 20 - Sunday, the 4th: Madoka, Homura and Mabayu make another cake for Nagisa but she rejects it. Madoka and Homura leave the room while Mabayu encourages Nagisa to apologize. Nagisa overhears Homura calling her a Witch and flees, having the girls to search for her across the city. Mabayu eventually finds Nagisa under an overpass, but Kyoko appears and accuses Nagisa of being a Witch and killing Mami. Nagisa reluctantly admits to her dream-like memories of eating Mami and Kyoko attacks them. Nagisa, upset and angry, unleashes attacks which shatter Kyoko's Soul Gem, killing her. Mabayu thanks Nagisa for protecting her, but Nagisa yells at her to stay away and runs off. When Madoka and Homura catch up, they find Kyoko's body and hear what happened. Madoka blames herself and Homura instead suggests they focus on saving Nagisa.
Day 21 - Monday, the 5th: At the café, Sakie asks Mabayu if she's heard from Nagisa. She worries Nagisa might have been kidnapped or run away, but Mabayu reassures her.
Later, Homura stands alone on a bridge and senses a Witch's Barrier. As she waits, Nagisa appears and then runs off, likely having fought the Witch alone, and runs off again after calling herself a bad girl.
Day 22 - Tuesday, the 6th: Mabayu has a dream reminiscing of her mother, her ability to see people's future and her complete belief that her predictions would always come true. Later, Mabayu meets Madoka and Homura at an abandoned factory, where Homura expects Nagisa to appear. Mabayu reflects on past loops and avoids telling Madoka about Sayaka's fate and predicts the future again. Inside the Barrier, Nagisa confronts Elsa Maria and then questions why they're being kind to her. Madoka and Homura reassure and tell her they want to be friends and share happiness together. After defeating the Witch, Nagisa collapses in pain, warning them not to get too close. She believes she deserves to be punished for the pain she's caused. Heartbroken, they're unsure of what to do, but Mabayu examines Nagisa's memories, seeing her dark deeds, and erases her memory of the bad things she's done.
Day 23 - Wednesday, the 7th: Nagisa and the others happily eat the best cheesecake that Sakie made with her friends. Homura questions why Mabayu pushed so hard if she was just going to erase Nagisa's memories and Mabayu explains that to erase the bad memories, Nagisa had to relive them first and that she realized she had this ability when she foresaw the future. Mabayu reveals her mother, a fortune teller, predicted her own death and changed drastically after and Homura guesses Mabayu wished to erase the memory of her mother's prediction. Nagisa reminds them to finish their cheesecake, and plans to help defeat Walpurgisnacht.
Day 32 - Friday, the 16th: On the day Walpurgisnacht appears, Mabayu looks into Homura's future again. Despite their efforts, they lose just as Mabayu foresaw. Nagisa is comforted by Mabayu and Homura, who cherish their memories with her. Madoka assures Nagisa that it's okay even if she couldn't help everyone. Nagisa, having accepted herself, thanks them and disappears in a flash of pink light, her curse lifted by Madoka's wish. Madoka thanks Homura for being with her and asks Mabayu to take care of her. Madoka promises Homura she won't be stained by despair. Mabayu reminds Homura that it's almost time to go and Homura resets time again.
