Please_don't_bully_me,_Nagatoro! イジらないで、長瀞さん, 長瀞さん イジらないで、長瀞さん
An ongoing manga by 774_(nanashi), based on his previous independent works involving the two characters Nagatoro and Hachiouji, though geared towards a more general audience. Advertised as a love-comedy, primarily features one-sided sadistic interactions by Nagatoro.
Can be read here, with additional updates being posted on Twitter by nanashi.