Dmm R18 Fanza rbd00426 Mourning Little Sister's Sexual Service ( Yui Kasuga ). Yoshie lives with her brother. One day, a burglar entered her home while she was there. Even though the sudden situation made her shaken with fear, she knew self-defense and was able to drive the burglar away. However, on the next day the burglar's pals showed up with a knife.... 妹の哀しき性奉仕 春日由衣 由衣は兄と二人暮らし。ある日、彼女が一人で在宅中に空き巣が侵入。突然の出来事に動揺しつつも、護身術の心得がある由衣は空き巣を退治して事なきを得た。しかし翌日、空き巣の仲間がナイフを片手に再び訪れて…。※ 配信方法によって収録内容が異なる場合があります。