Seke

http://www.mangago.zone/read-manga/mou_ichido_nando_demo/
http://www.mangago.zone/read-manga/haru_wo_daite_ita/
http://www.mangago.zone/read-manga/itoshi_no_nekokke/
http://www.mangago.zone/read-manga/sojou_no_koi_wa_nido_haneru/
http://www.mangago.zone/read-manga/haikyu_dj_luminary/
http://www.mangago.zone/read-manga/gentei_kareshi/

http://www.mangago.zone/read-manga/three_wolves_mountain/
http://www.mangago.zone/read-manga/metro_dog/
http://www.mangago.zone/read-manga/hatsukoi_no_atosaki/
http://www.mangago.zone/read-manga/neji_no_kaiten/
http://www.mangago.zone/read-manga/hai_to_diamond/
http://www.mangago.zone/read-manga/innai_kansen/
http://www.mangago.zone/read-manga/omoisugoshi_mo_koi_no_uchi/
http://www.mangago.zone/read-manga/yononaka_wa_bokura_ni_amai/
http://www.mangago.zone/read-manga/color/

Whats a seke?

In Yaoi...

Seme - Top/ Dominate/ Pitcher
Uke - Bottom/ Submissive/ Catcher

Seke - Either (Switch -Can do both)

http://www.mangago.zone/home/mangalist/124613/
My list with all the ones I have found.