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Identity: It's a fanmade anime and manhwa.
Background: In Tokyo, Japan, a 30-year-old mother named who likes her 6-year-old daughter, Asami who is good as Nanami thought her oldest 10-year-old daughter, Nanami whom she neglected was cheating on her own test because she kept hearing calculator beeping sounds that she's good at but to see that Nanami was just using her own calculator to get things right, so nothing was actually wrong about Nanami, she was perfectly fine, but the reason her mother always likes Asami so much more than Nanami is because she actually doesn't know how to love a child like Nanami one that has bad grades, she tried to let Nanami know that she sensed it by doing so and that she thought that if she favored Asami instead, Nanami her daughter whom she neglected would go away, and because of it, Nanami killed herself in front of Asami for it by beating her up right there in front of her mom. What happens next?