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

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Miraijin A , Yunyanko 2022 released.
Romance / Comedy / School Life / Slice Of Life
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!?
Ch.30.5
Ch.30
Ch.29
 8.2
67 voted
61.2%
16.4%
7.5%
3.0%
11.9%
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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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Other manga by the same author(s)

Chapters(34)

Ch.30.5

Jan 11, 2026

Ch.30

Jan 7, 2026

Ch.29

Jan 4, 2026

Ch.28

Dec 23, 2025

Ch.27

Dec 19, 2025

Ch.26

Dec 10, 2025

Ch.25

Dec 10, 2025

Ch.24

Dec 10, 2025

Ch.23

Dec 10, 2025

Ch.22

Apr 30, 2025

Ch.21

Apr 29, 2025

Vol.4 Ch.20

Jan 24, 2025

Vol.4 Ch.19

Dec 1, 2024

Vol.3 Ch.18

Nov 22, 2024

Vol.3 Ch.17

Nov 17, 2024

Ch.16

Oct 7, 2024

Ch.15

Jul 6, 2024

Ch.14

Jun 17, 2024

Ch.13

Mar 13, 2024

Ch.12.5

Feb 13, 2024

Ch.12

Dec 18, 2023

Vol.2 Ch.11

Oct 1, 2023

Vol.2 Ch.10

Aug 6, 2023

Vol.2 Ch.9

Jul 19, 2023

Vol.2 Ch.8

Jul 10, 2023

Vol.2 Ch.7.2 : Special Chapter

Jun 30, 2023

Vol.2 Ch.7.1 : Extras

Jul 1, 2023

Vol.1 Ch.7

Apr 29, 2023

Ch.6

Mar 27, 2023

Ch.5

Feb 26, 2023

Vol.1 Ch.4

Feb 15, 2023

Vol.1 Ch.3

Jan 25, 2023

Vol.1 Ch.2

Jan 19, 2023

Vol.1 Ch.1

Jan 19, 2023
...
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