GAJK-016 A high school girl tied up and tortured in a warehouse visits her grandfather, whom she is forbidden to contact. Two days of hellish, insane rope bondage lust. Yura Kana

I, who had never met my grandfather, found out that his house was near the school I attended. My mother repeatedly told me not to go see him, but driven by curiosity, I went anyway. The man who came out seemed kind. When I told him I was his grandson, he smiled happily and invited me into his home. We enjoyed tea while reminiscing about old times. 'I thought he might be a nasty person, but it seems I was wrong,' I thought just as…