Sorry hope u don't mind bro. From the title u post Yumi Kobayashi - Angel Kiss - Tenshi No Sakai it should be this bro (Cover attach Below for your references). This video is originally come from Seeboll.
For your references seeboll Rapidshare link
http://rapidshare.com/files/137523617/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.001
http://rapidshare.com/files/137523980/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.002
http://rapidshare.com/files/137524431/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.003
http://rapidshare.com/files/137524899/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.004
http://rapidshare.com/files/137525301/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.005
http://rapidshare.com/files/137525774/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.006
http://rapidshare.com/files/137526227/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.007
http://rapidshare.com/files/137526647/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.008
http://rapidshare.com/files/137527098/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.009
http://rapidshare.com/files/137527238/Yumi_Kobayashi_-_Angel_Kiss_-_Tenshi_No_Sakai.avi.010
http://www.cdjapan.co.jp/list_from_code_banner.html?key=219287
The cover u post is Manaka - Heat (Vega video). u can see it yourself clearly from the cover u post.