http://www.mangago.me/read-manga/neko_x_neko/
http://www.mangago.me/read-manga/rise_of_moonsoo/
http://www.mangago.me/read-manga/hatsujo_porno_star/
http://www.mangago.me/read-manga/usachan_ookami/
http://www.mangago.me/read-manga/afurete_shimau/ (They switch once in the last chapter)
http://www.mangago.me/read-manga/i_wanna_die_before_i_m_30/ (3p)
http://www.mangago.me/read-manga/like_a_tidal_wave_from_pheromone_shower/
Any switch couples? ( BL )