This is the Korean version of "My Sister" by Miri Masuda. I bought it in Korea while living there. I used it to study Korean. There are some notes written in it, but it's a very enjoyable story. - Title: 내 누나 (Nae Nuna - My Sister) - Author: 마스타 미리 (Miri Masuda) - Publisher: 이봄 (Ibom) - Number of pages: Story unfolds in manga format #益田ミリ #韓国語 #僕の姉ちゃん #中古 #한국어 Thank you for looking.