The original fantasy novel is written by Mizuki Nagano.
The fantasy drama light novel series “The Person I Loved Asked Me to Die in My Sister's Stead” has received an anime adaptation! Unfortunately, no cast, staff, or release date details have been revealed so far.
The Person I Loved Asked Me to Die in My Sister's Stead anime details
Although the production process for the anime adaptation has already started, no other details about it have been revealed so far. The announcement came alongside the news that the series’ cumulative circulation has exceeded 1.1 million copies.
The anime is based on the light novel series written by Mizuki Nagano and illustrated by Saori Toyota. It was serialised online on the Shōsetsuka ni Narō website from November 2020 to September 2022. Later it was acquired by TO Books, who have published seven volumes of the series as well as a short stories collection since September 2021. The novel won the Piccoma Award 2025 in the Absolutely interesting work (Light Novel) category. The illustrator Saori Toyota also posted a new visual to celebrate the anime adaptation.
The series also has a manga adaptation illustrated by Maki Yamori. It has been published on TO Books' Corona EX manga website since June 2022. The manga has five volumes so far. Tokyopop releases the English version of the manga since July 2024 and describes the plot as:
Lady Wisteria's greatest wish is to be worthy of the man she loves, Lord Bright. But when Wisteria’s little sister, Rosalie, is selected to enter the Predawn Realm as its guardian, never to return, Bright begs Wisteria to take Rosalie’s place! After all, Wisteria is skilled with magic, and resistant to the sinister miasma that threatens the mortal world. Heartbroken, Wisteria enters the Predawn Realm, accompanied by the sacred sword, Sartis. More than twenty years later, a stranger with a familiar face appears, demanding the sword and challenging Wisteria. Who is he, and why does he resemble Lord Bright…?