http://www.mangago.me/read-manga/kokoro_kanda_neko/ this is one of my faves(๑•ㅂ•)و✧ ... i really recommend it if you haven't read it already ヾ(☆▽☆)
Yaoi theres more out there but here's a few
http://www.mangago.me/read-manga/the_4th_guard/
http://www.mangago.me/read-manga/mankai_darling/
http://www.mangago.me/read-manga/sweep/
http://www.mangago.me/read-manga/yume_musubi_koi_musubi/
http://www.mangago.me/read-manga/sugar_code/
http://www.mangago.me/read-manga/nekoka_kareshi_no_ayashikata/
http://www.mangago.me/read-manga/doushiyoumo_nai_keredo/
http://www.mangago.me/read-manga/hachimitsu_darling/
http://www.mangago.me/read-manga/gochisousama/
http://www.mangago.me/read-manga/koi_ni_nare/
http://www.mangago.me/read-manga/kami_sama_no_iutoori_moegi_yuu/
Shoujo
http://www.mangago.me/read-manga/ingenuo/
http://www.mangago.me/read-manga/takane_to_hana/
http://www.mangago.me/read-manga/keishichou_tokuhanka_007/
http://www.mangago.me/read-manga/skip_beat/
http://www.mangago.me/read-manga/ai_hime_ai_to_himegoto/
http://www.mangago.me/read-manga/the_one/
http://www.mangago.me/read-manga/ten_no_ryuu_chi_no_sakura/
http://www.mangago.me/read-manga/v_b_rose/
http://www.mangago.me/read-manga/taiyou_no_ie/
http://www.mangago.me/read-manga/faster_than_a_kiss/
http://www.mangago.me/read-manga/shiawase_kissa_sanchoume/
http://www.mangago.me/read-manga/dengeki_daisy/
You could give this one a go, it's shoujo with a super natural twist
http://www.mangago.me/read-manga/hajimari_no_niina/
I have a list if you want to check it out (▰˘◡˘▰)
http://www.mangago.me/home/mangalist/8447/
Can someone recommend me age gap manga. It could be yaoi or shoujo manga.
Thanks