I Suddenly Have an "Older" Sister!

Explore the captivating world of I Suddenly Have an "Older" Sister!, a captivating manga that masterfully blends Comedy, Ecchi, Romance, Shounen, Slice of life. Created by the talented Rokushou Kokuu. Experience this thrilling series for free at MangaSSS, where you’ll find a rich collection of manga to explore. With 15 chapters translated into English and more on the horizon, there's never been a better time to start your adventure. Be the first to know—create an account today, bookmark I Suddenly Have an "Older" Sister! and never miss an update!

***A young "older" sister suddenly appears before me...?! A love-comedy of "irregular" siblings living together. ***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!