I loved these manga
http://www.mangago.zone/read-manga/boku_no_mama_chan_43_kaihatsu_nikki/
http://www.mangago.zone/read-manga/hanagaya_eigyousho_no_kare/
http://www.mangago.zone/read-manga/boku_no_omawarisan/
http://www.mangago.zone/read-manga/houtou_musuko_to_sewagakari/
http://www.mangago.zone/read-manga/hatsujou/ Ongoing but worth waiting :)
http://www.mangago.zone/read-manga/sumanai_masumi_kun/
http://www.mangago.zone/read-manga/on_doorstep/
http://www.mangago.zone/read-manga/can_i_hold_your_hand/
http://www.mangago.zone/read-manga/umi_to_futari_no_enbun_noudo/
http://www.mangago.zone/read-manga/yukidoke_no_koi/
http://www.mangago.zone/read-manga/joou_to_shitateya/
http://www.mangago.zone/read-manga/love_delivery_chako_nediwo/ Oneshot
http://www.mangago.zone/read-manga/ten_count/ Probably you've already read it
http://www.mangago.zone/read-manga/nee_sensei/
http://www.mangago.zone/read-manga/oni_ni_hatsujou/
http://www.mangago.zone/read-manga/sensei_anata_ni_chikadukitai/
http://www.mangago.zone/read-manga/kawaisa_amatte_nanika_ga_hyakubai/
ooo how about this one, i read it recently and it's good, with some wonderful hurt/comfort added (๑•ㅂ•)و✧
http://www.mangago.zone/read-manga/the_priests_chart/
Can anyone recommend some manga or manhwa with age difference?
It can be shoujo or yaoi.
It will be more great if the older one is the girl or the uke.