Yaoi or shounen ai where the couple slow dance together (kinda like the dance scene from N...

Count me in (≧∀≦)
Nezumi and sion are just too cute

http://www.mangago.me/read-manga/butoukai_no_techou/ - On the beginning & the end

http://www.mangago.me/read-manga/10_dance/

http://www.mangago.me/read-manga/shitsuji_kyoushi_no_renai_jugyou/

http://www.mangago.me/read-manga/the_man_of_tango/