How many songs are in the album "Sou Ai Sei Ri Ron" by DECO*27?

There are a total of 18 songs in "Sou Ai Sei Ri Ron".

When was the album "Sou Ai Sei Ri Ron" by DECO*27 released?

"Sou Ai Sei Ri Ron" was released on April 21, 2010.

#	Track	Artist	Key	Camelot	BPM
1	Sou Ai Sei Ri Ron	DECO*27	G Major	9B	132
2	Haruichi	DECO*27	E Major	12B	171
3	ai + K = aKi	DECO*27	D Major	10B	101
4	Shin Kai Summit	DECO*27	E Major	12B	135
5	Ai Kotoba	DECO*27	E Major	12B	137
6	Koi Sama Sheet	DECO*27	D Minor	7A	180
7	Boku Mitaina Kimi, Kimi Mitaina Boku	DECO*27	G Major	9B	120
8	Kimi Ijou, Boku Miman	DECO*27	E Major	12B	140
9	Sukiyo Sukiyo mo Suki no Uchi	DECO*27	B♭ Major	6B	140
10	Tsumi to Batsu	DECO*27	E Major	12B	120
11	"bye-bye" by my Ai	DECO*27	E Major	12B	135
12	Ai thinkso,	DECO*27	E Major	12B	124
13	Ni Soku Ho Kou	DECO*27	D♭ Minor	12A	180
14	Hitori Bocchi de Futari Kiri	DECO*27	D♭ Minor	12A	170
15	Ai thinkso,	DECO*27, Topi	E♭ Major	5B	124
16	Haruichi - kous Remix	DECO*27	E Major	12B	171
17	Ai Kotoba - sasakure.UK Remix	DECO*27	E Major	12B	137
18	Sou Ai Sei Ri Ron (Treow Remix)	DECO*27	G Major	9B	145