很色情的漫画- [Mamono no Heya ~6 nen-buri ni Saikai shitara Hikikomori NEET ni Natteita Shinyuu no Onee-san ni Semararete Seieki o Shiboritorareru Hanashi | 魔物的房間～時隔六年再見面時，發現朋友的姊姊變成尼特族，還被她誘惑榨取精液的故事～ (decensored)]