嗨呀~第20期了_(:зゝ∠)_
Bilibili：http://www.bilibili.com/video/av6495555/
图：http://icarus.silversky.moe:666/illustration/those-piano-hit-deep-inside-silver-rain-20-pic
Link to pixiv:
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=59171403
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=59001033
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=58916425
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=59237947
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=59252176