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Onee-Chin
おねえちん
Onee-Chin is a collection of ten adult manga short stories by the artist RaTe, originally published between 2005 and 2007. The anthology brings together standalone chapters that originally appeared in magazines such as Comic Muga, Comic Tenma, and Futanarikko Love. Each story features different characters and settings, often revolving around intimate and erotic encounters.
The volume includes tales like "Oneechan Gekijou," "A wa Hissu Tan'i!" (A is The Required Grade), and "Massugu Ouchi ni Kaerimashou" (Let's Go Straight Home). Other entries are "Daijoubu? Oneechan" (Is This Okay, Oneechan?), "Ano ne... n to ne..." (Um... Listen...), and "xx shite Ii? xx" (Could I XX?). The collection also contains "Sexing is Believing," "Pocha Nee" (Chubby Sister), "Tameruna Kiken: Kanna no Kyoukun" (The Danger of Holding Back: Kanna no Kyoukun), and "Okyakusama no Koe" (Customer Survey).