Chapter 15
The story is about the Himenokouji twins named Akito and Akiko who got separated due to certain circumstance and after years of living apart they suddenly began to live under the same roof once again. Things were fine at first until Akiko began expressing her love for her older brother. Now Akiko must fight to defend her extraordinary love for her Onii-chan as she battles against all odds and three other girls who are after her beloved Onii-chan.Spin-Off:> Oniichan dakedo Ai Sae Areba Kankeinai yo ne - Imouto 4koma(https://manhuascan.com/comic/_/comics/oniichan-dakedo-ai-sae-areba-kankeinai-yo-ne-imouto-4koma-r5701)adapted from the light novel series of the same name
Chapter 12
***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!