Hi! From what I've gathered, you like stories with a lot of deep feelings involved. I've got a few for you:
http://www.mangago.zone/read-manga/3_ban_sen_no_campanella/
http://www.mangago.zone/read-manga/see_you_later_mermaid/
http://www.mangago.zone/read-
manga/hoshi_dake_ga_shitteru/
http://www.mangago.zone/read-manga/gunjou_no_subete/
http://www.mangago.zone/read-manga/kimi_wa_natsu_no_naka/
http://www.mangago.zone/read-manga/number_call/
http://www.mangago.zone/read-manga/tamayura_yuki_ringo/
http://www.mangago.zone/read-manga/renchin/
http://www.mangago.zone/read-manga/life_senjou_no_bokura/
http://www.mangago.zone/read-manga/2345/
http://www.mangago.zone/read-manga/go_jin_and_gam_rae/?MEIq
http://www.mangago.zone/read-manga/blue_blue_blue/
http://www.mangago.zone/read-manga/old_fashioned_cupcake/
http://www.mangago.zone/read-manga/hidamari_no_orange/
These are fairly popular so you may have already read them, but please enjoy them.
shounen ais slow burns with one or both of the guys slowly realizing the feelings they have for each other. both equally masculine and even straight passing.
something like yoneda kou's and ichikawa kei's works