MUMEI書店Original Stories by TOFU IRONWORKS死者のスマホ、解除（ハック）します。
Episode 1: Welcome to Hakushido in the Backstreets
A former cybercrime investigator is asked to unlock a late grandmother’s smartphone. Behind a six-digit passcode lie 3,037 unsent messages.
STORY
About this story
“I need you to unlock a dead person's phone.”
In the backstreets of Akihabara, Koyomi Hiiragi lives above an old junk shop called Hakushido. A brilliant hacker, he once worked in the cybercrime division.
One day, he wakes to find a university student he has never met, Akari Amasawa, cleaning his room without asking.
She brings him a visitor: Mio Minase, a high school student carrying her late grandmother's smartphone.
A six-digit passcode that nobody in the family knows.
Inside the unlocked phone, they discover messages written to Mio's late grandfather. There are 3,037 of them—and every single one is an unsent draft.
Through the phones left behind by the deceased, they uncover final feelings that nobody ever knew.
An everyday mystery and romantic comedy.
Episode 1: Welcome to Hakushido in the Backstreets
Characters
Koyomi Hiiragi 24. Formerly worked in the cybercrime division. Extremely reluctant to make an effort, yet he types with astonishing speed the moment he sits down at a computer.
Akari Amasawa 19. A second-year university student. Cheerful, persistent, and always looking after others, she finds her way into Koyomi's life before he knows it.
Mio Minase 17. A high school student who brings her late grandmother's smartphone to Hakushido.
Discover the final, unspoken feelings left inside the phones of the deceased. An everyday mystery and romantic comedy set at Hakushido, a shop in the backstreets of Akihabara.