The Medley Of Youtube(Original Song Ver.)

This is my 4th original song version.
Please listen,and send your impression!

From→www.youtube.com/watch?v=4eeX4oJGT5o

Youtube→ www.youtube.com/watch?v=ykjbrTBHqOk
Niconico→www.nicovideo.jp/watch/sm31458986