I Suddenly Have An Older Sister!

急に姉ができまして！; Kyū ni Ane ga Dekimashite!; Kyuni Anega Dekimashite!; Kyuu ni Ane ga Dekimashite!; I Suddenly Have an "Older" Sister!

Author(s): Rokushou Kokuu

Artist(s): Rokushou Kokuu

Type: Manga

Genre(s): Shounen , Ecchi , Romance , Comedy , Slice of Life

Status: Completed

Views: 7172

Views rank: 30106/81892

Subscribers rank: 21709/81892

5/5 stars (2 votes)

Summary

Asami, a beautiful but mysterious girl appears before Ryosuke, the protagonist who is in his thirties, and claims that she is his sister. She is the sister of Ryosuke's brother's wife, in other words, she is somewhat Ryosuke's sister... Aiming to be the ideal older sister, she decides to engage in extreme big sisterly acts!
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I Suddenly Have An Older Sister! Chapters

Name chapter		Date updated
I Suddenly Have An Older Sister! Vol 3 Chapter 21		Aug 09, 2025
I Suddenly Have An Older Sister! Vol 3 Chapter 20: I Suddenly Got A Phone Call		Jul 26, 2025
I Suddenly Have An Older Sister! Vol 4 Chapter 19: I Suddenly Have To Wear A Yukata!		Jul 10, 2025
I Suddenly Have An Older Sister! Vol 4 Chapter 18: I'm Suddenly Going To An Onsen!		Jun 27, 2025
I Suddenly Have An Older Sister! Vol 4 Chapter 17: I Suddenly Have To Stop Stripping		Jun 13, 2025
I Suddenly Have An Older Sister! Vol 4 Chapter 16: I Suddenly Have To Take An Intensive Course		May 29, 2025
I Suddenly Have An Older Sister! Vol 3 Chapter 15: Suddenly, a sibling battle broke out!		May 09, 2025
I Suddenly Have An Older Sister! Vol 2 Chapter 12: Suddenly I Got Delivered		Apr 15, 2023
I Suddenly Have An Older Sister! Chapter 14		Jul 30, 2023
I Suddenly Have An Older Sister! Chapter 13		Jun 06, 2023
I Suddenly Have An Older Sister! Chapter 11		Apr 15, 2023
I Suddenly Have An Older Sister! Chapter 10: Suddenly I Got Nursed		Jan 21, 2023
I Suddenly Have An Older Sister! Chapter 9: Suddenly I Got Called And Told To Pick Her Up		Jan 01, 2023
I Suddenly Have An Older Sister! Chapter 8: I Suddenly Got Pressed For Answers		Nov 03, 2022
I Suddenly Have An Older Sister! Chapter 7: Suddenly My Sister-in-law Came To Visit		Sep 30, 2022
I Suddenly Have An Older Sister! Chapter 6: Suddenly I'm Being Healed		Aug 30, 2022
I Suddenly Have An Older Sister! Chapter 5: Suddenly I Became A Model		Aug 29, 2022
I Suddenly Have An Older Sister! Chapter 4: Suddenly I Have A Little Sister		Aug 29, 2022
I Suddenly Have An Older Sister! Chapter 3: Suddenly We Went On A Shopping Date Together		Aug 29, 2022
I Suddenly Have An Older Sister! Chapter 2: Suddenly We Started Living Together		Aug 29, 2022
I Suddenly Have An Older Sister! Chapter 1		Aug 29, 2022