The Ichinose Family's Deadly Sins

The Ichinose Family's Deadly Sins (一ノ瀬家の大罪) is a Japanese manga series written and illustrated by Taizan 5. It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from November 2022 to November 2023.

Plot
The series centers around the titular Ichinose family—Tsubasa, his sister Shiori, their parents Kakeru and Minako, and their grandparents Kozo and Sachie. All six of them wake up in the hospital following a car accident, and all suffer from shock-based amnesia making them unable to remember their lives before the accident. Tsubasa and his family decide to simply return home in the hopes that they can learn more about their past selves there, only to find that their family situation is more complicated than they expected.

Characters

 * Tsubasa Ichinose (一ノ瀬 翼)


 * Shiori Ichinose (一ノ瀬 詩織)

Publication
Written and illustrated by Taizan 5, The Ichinose Family's Deadly Sins was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from November 14, 2022, to November 6, 2023. Shueisha collected its chapters in six tankōbon volumes, released from March 3, 2023, to March 4, 2024.

The manga has been published digitally in English by Viz Media and Shueisha's Manga Plus online platform.

Reception
The series ranked third in the 2023 Next Manga Award in the print manga category.