How many songs are in the album "Layer" by chikyunokiki?

There are a total of 15 songs in "Layer".

When was the album "Layer" by chikyunokiki released?

"Layer" was released on April 3, 2018.

#	Track	Artist	Key	Camelot	BPM
1	suu - commoncycle (inimitable) remix	chikyunokiki, commoncycle	C Major	8B	187
1	shiny shiny	chikyunokiki	D Major	10B	93
2	think40	chikyunokiki	D Major	10B	90
2	think40 - sofheso (qodibop) remix	chikyunokiki, sofheso	B Minor	10A	102
3	ひきかえる	chikyunokiki	A Major	11B	175
3	karabato - O.N.O (THA BLUE HERB) remix	chikyunokiki, O.N.O	D♭ Major	3B	127
4	soreizen	chikyunokiki	G Major	9B	120
4	sg - DJ KEN (MIC JACK PRODUCTION) remix	chikyunokiki, DJ KEN	A♭ Major	4B	182
5	sg	chikyunokiki	F♯ Major	2B	180
5	海のような草原に魚は泳ぐか - INNER SCIENCE remix	chikyunokiki, Inner Science	F Minor	4A	170
6	ひきかえる - ion remix	chikyunokiki, ion	D Major	10B	84
6	karabato	chikyunokiki	D♭ Major	3B	113
7	shiny shiny - Ametsub remix	chikyunokiki, Ametsub	B Minor	10A	100
7	海のような草原に魚は泳ぐか	chikyunokiki	E♭ Major	5B	170
8	suu	chikyunokiki	G Major	9B	126