Part 2:
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=59506595
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=57224052
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=54169467
http://sidefire.deviantart.com/art/Only-to-listen-647861966
Part 23:
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=55088520
http://seitoro.tumblr.com/
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=56179327
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=55265448
http://www.pixiv.net/member.php?id=4766508
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=55109483