My Brother's Slipped Inside Me in The Bathtub Adult

"Can't... keep my... voice down." Nii-chan thrusting in me again and again. We shouldn't be doing this as siblings... so, why does it feel this good...?



(Source: Coolmic)



Volume 1: Overflow: Iretara Afureru Shimai no Kimochi (おーばーふろぉ〜挿れたら溢れる姉妹のキモチ〜)

Volume 2: Overflow: Toaru Kyoudai no Kindan Seikou (おーばーふろぉ〜とある兄妹の禁断性交〜)

Volume 3: Overflow: Atsuku Majiwaru Shimai no Taboo (おーばーふろぉ〜熱く交わる姉妹のタブー〜)

Volume 4: Overflow: Nagisa ni Matsuwaru Shimai no Fushidara (おーばーふろぉ～渚にまつわる姉妹のふしだら～)



Notes:

- Originally serialized as a web manga under the title Jitsu wa Ima Haittemasu....: Ofuro de Onii-chan no Katai Are ga... (実は今入ってます…。お風呂でお兄ちゃんの硬いアレが…っ).

- Simultaneously released in long-strip format for mobile reading with each chapter split into 3 ‘episodes’.