You Weren't My Sister, but My Fiancée?!

お前妹じゃなくて許嫁だったのかよ!?; Omae Imouto Janakute Iinazuke Datta no ka yo; Ты была не моей сестрой, а моей невестой!?

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Authors: Miraijin a, Yunyanko

Status:Ongoing

Genres: Romance Comedy School life Slice of Life

Rating: 6.89/10 (31 votes)

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Summary

Humanity, love your little sister. I miss the time when her younger sister Kana was fond of me. Takashi Shiina lamented the current days when he was often ignored. One day, his parents cut out a shocking story. Surprisingly, he wasn't his real son... but he was his sister Kana's fiancée! ? The definitive version of Reiwa's younger sister manga!

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Chapter List

First Chapter

Vol.1 Chapter 1

New Chapter

Chapter 22

May 01, 2025

Chapter 21

Apr 30, 2025

Chapter 20 : Vol 4 Ch 20

Jan 24, 2025

Chapter 20

Jan 24, 2025

Chapter 19 : Vol 4 Ch 19

Dec 02, 2024

Chapter 19

Dec 01, 2024

Chapter 18 : Vol 3 Ch 18

Nov 23, 2024

Chapter 18

Nov 22, 2024

Chapter 17 : Vol 3 Ch 17

Nov 17, 2024

Nov 17, 2024

Oct 07, 2024

Jul 06, 2024

Jun 17, 2024

Mar 14, 2024

Vol.2 Chapter 12.5: Extra

Feb 13, 2024

Chapter 12

Dec 18, 2023

Chapter 11 : Vol 2 Ch 11

Nov 17, 2024

Chapter 11

Oct 01, 2023

Chapter 10 : Vol 2 Ch 10

Nov 17, 2024

Chapter 10

Aug 06, 2023

Chapter 9 : Vol 2 Ch 9

Nov 17, 2024

Chapter 9

Jul 19, 2023

Chapter 8 : Vol 2 Ch 8

Nov 17, 2024

Chapter 8

Jul 10, 2023

Vol.2 Chapter 7.2 : Special Chapter

Jun 30, 2023

Vol.2 Chapter 7.2: Special Chapter

Nov 17, 2024

Jun 30, 2023

Apr 29, 2023

Mar 27, 2023

Feb 26, 2023

Feb 15, 2023

Jan 25, 2023

Jan 19, 2023

Jan 19, 2023

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You Weren't My Sister, but My Fiancée?!

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