don't know how much extent of brainwashing that you want
but HARADA deals with manipulation
http://www.mangago.me/read-manga/color_recipe/
http://www.mangago.me/read-manga/nii_chan_harada/
Not sure if this counts but: http://www.mangago.me/read-manga/akuma_chan_wa_momoiro/ :S
i have my own private collection of manipulative seme. feel free to choose one or a dozen (=・ω・=)
http://www.mangago.me/people/tag/49344/%E2%85%8A+%E2%81%98+manipulative+seme/
Manga that seme brainwashing uke ?