I'm sorry if they aren't your type ;(
Older seme
http://www.mangago.zone/read-manga/fushidara_na_hanatsumi_otoko/
http://www.mangago.zone/read-manga/koi_ga_ochitara/
http://www.mangago.zone/read-manga/hidamari_to_bentou_danshi_to/
http://www.mangago.zone/read-manga/unfather/
http://www.mangago.zone/read-manga/soine_lovers/
http://www.mangago.zone/read-manga/ame_to_kiss/
http://www.mangago.zone/read-manga/yamaraashi_no_ondo/
http://www.mangago.zone/read-manga/page_o_mekuru_sono_mae_ni/
http://www.mangago.zone/read-manga/kirei_ni_shiteyo/
http://www.mangago.zone/read-manga/kokoro_kanda_neko/
http://www.mangago.zone/read-manga/kuroneko_wa_shippo_de_amaeru/
http://www.mangago.zone/read-manga/kono_ore_ga_ahe_goe_nante_dasu_wake_ga_nai/
http://www.mangago.zone/read-manga/sensei_nante_kirai_desu/
http://www.mangago.zone/read-manga/kowairo_ni_somaru/
http://www.mangago.zone/read-manga/19_sai_no_porno_endeavor/
http://www.mangago.zone/read-manga/love_nest_minaduki_yuu/
http://www.mangago.zone/read-manga/boku_no_osekkai_darling/
http://www.mangago.zone/read-manga/konomi_ja_naka_to/
http://www.mangago.zone/read-manga/shishi_ni_hire/
http://www.mangago.zone/read-manga/castle_mango/
http://www.mangago.zone/read-manga/koi_ni_nare/
Some of them are my favorites :))) For sure I'll find something to read from this list thank you
I hope it helps you, you're welcome (๑•ㅂ•)و✧
Manga with an older seme, something like how sweet is a sugar daddy? I searched for HOURS and still no daddy material in sight
*sigh