BL with old men. Preferiably with dad bods. Bonus if it doesn't have sex scenes.
http://www.mangago.me/read-manga/it_can_t_be_mutual_love/
the dj/bonus story doesn’t have any sex scenes: http://www.mangago.me/read-manga/shiba_to_tokizou_diet_hen/
these don't fit the criteria as well as my first rec did, but here you go :)
http://www.mangago.me/read-manga/negaigoto_wa_hidamari_de/
http://www.mangago.me/read-manga/40_x_40_chikuwa_kaigi/
http://www.mangago.me/read-manga/himegoto_asobi/
Straight comics where the girl is taller?
There were many more,but this one was legit the only one I remember so- ╮( ̄▽ ̄)╭
http://www.mangago.me/read-manga/the_giantess_wants_love/
Yo. I forgot the name of the comic but it was this guy and he had a detective boyfriend, but he's in love with this other guy. In the beginning of the comic, the detective is gonna kill the guy who the mc was in love with.
(●'◡'●)ノ