Confession... oh well everybody knows they love each other. I think they're never said I love you to each other (Or am I missed it?), but they admit they love their partner..
About the kiss... well...
http://www.mangago.me/read-manga/koori_no_mamono_no_monogatari/mh/v04/c019/28/
http://www.mangago.me/read-manga/koori_no_mamono_no_monogatari/mh/v18/c002/pg-44/
At least we still got it ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄ (Poor silver diamond fans.. like me)
and this part too LOL
http://www.mangago.me/read-manga/koori_no_mamono_no_monogatari/mh/v01/c001.2/19/
is there real shounen-ai? or just hints, is there any kiss? confession? please tell me