How many songs are in the album "ERENA" by Erena Ono?

There are a total of 20 songs in "ERENA".

When was the album "ERENA" by Erena Ono released?

"ERENA" was released on October 3, 2012.

#	Track	Artist	Key	Camelot	BPM
1	えれぴょん	Erena Ono	B Major	1B	163
1	twitter	Erena Ono	D♭ Minor	12A	100
2	千本桜	Erena Ono	D Minor	7A	154
2	君があの日笑っていた意味を。	Erena Ono	G Major	9B	170
3	ERENA	Erena Ono	C Major	8B	170
3	嗚呼、素晴らしきニャン生	Erena Ono	D♭ Major	3B	97
4	RIBBON	Erena Ono	D♭ Minor	12A	156
4	恋愛勇者	Erena Ono	A Minor	8A	95
5	ひとり	Erena Ono	C Major	8B	120
5	ハッピーチューン	Erena Ono	F♯ Minor	11A	143
6	エレティカ	Erena Ono	D Major	10B	180
6	STARRY SKY	Erena Ono	E Major	12B	86
7	素直	Erena Ono	A♭ Major	4B	175
7	ロミオとシンデレラ	Erena Ono	F♯ Major	2B	170
8	虹のかかる空に...	Erena Ono	D Major	10B	144
8	ノーナイデンパ	Erena Ono	E Minor	9A	100
9	東京テディベア	Erena Ono	F Major	7B	102
9	えれにゃん	Erena Ono	F Minor	4A	170
10	恋リズム	Erena Ono	E Major	12B	175
11	happy time	Erena Ono	E♭ Major	5B	182