通 Universal Black Technology 通用黑色技术 by One Tail (独尾) StatusOngoingLength1k WordsChapters1GenreDanmei (BL)EraModern EraUpdated12y agoSourceJJWXC Request a translation Stats 332Clicks / chapter Tags ThemeLove StoryPOVBottom-Lead (Shou)Age13+Apocalypse Synopsis I saw that it was a waste of time just to practice writing. Show more