BJ Alex

http://www.mangago.zone/read-manga/madman_combo/

http://www.mangago.zone/read-manga/the_devil_s_temptation/?Z95g
Yours to claim
Make me bark
http://www.mangago.zone/read-manga/geu_kkeute_issneun_geos/?eZcR
http://www.mangago.zone/read-manga/semantic_error/
Cute bl that are somewhat long in length:
http://www.mangago.zone/read-manga/ordinary_men/uu/ordinary_men-chapter-1
http://www.mangago.zone/read-manga/young_lad_s_wool_shop/uu/iur_chapter-0.5/pg-1/
http://www.mangago.zone/read-manga/a_b/mdx/d_chapter-1/
http://www.mangago.zone/read-manga/don_t_forget_you_like_it/uu/d_v-1-chapter-0/pg-1/
http://www.mangago.zone/read-manga/i_almost_loved_you/uu/i_almost_loved_you-chapter-1
http://www.mangago.zone/read-manga/voice_of_love/uu/voice_of_love-chapter-1
You can check my lists for more cute bl:
http://www.mangago.zone/home/mangalist/323616/
http://www.mangago.zone/home/mangalist/732123/

When you said similar to BJ Alex it's kinda reminded me of this manga, http://www.mangago.zone/read-manga/hina_wa_mitsuiro_no_koi_ni_torawareru/ , the plot is somewhat similar to BJ Alex only with a more asshole seme and also less fluffy, sorry if you didn't like it