Clue to solve the incident

Clue to solve the incident a song by Koutarou Nakagawa on BeMusic

Thanks for picking me up! by 相坂優歌, Koutarou Nakagawa,
セルリアンスカッシュ(Short ver.) by 相坂優歌, Koutarou Nakagawa,
Song for DAIKU(No.9) by 相坂優歌, Koutarou Nakagawa,
Good morning TOKYO by 相坂優歌, Koutarou Nakagawa,
Are you up for a challenge? by 相坂優歌, Koutarou Nakagawa,
How are you feeling? by 相坂優歌, Koutarou Nakagawa,
Let me hear your opinion by 相坂優歌, Koutarou Nakagawa,
It's my vocation by 相坂優歌, Koutarou Nakagawa,
Take your break by 相坂優歌, Koutarou Nakagawa,
ミヴドリーム by 相坂優歌, Koutarou Nakagawa,
Splendid memories by 相坂優歌, Koutarou Nakagawa,
Quiet time by 相坂優歌, Koutarou Nakagawa,
I have a feeling they're out there by 相坂優歌, Koutarou Nakagawa,
Don't stop walking by 相坂優歌, Koutarou Nakagawa,
It is an amazing feat by 相坂優歌, Koutarou Nakagawa,
We thought suspicious by 相坂優歌, Koutarou Nakagawa,
Hidden in the shadow by 相坂優歌, Koutarou Nakagawa,
Distant memory by 相坂優歌, Koutarou Nakagawa,
Why don't you go there? by 相坂優歌, Koutarou Nakagawa,
Clue to solve the incident by 相坂優歌, Koutarou Nakagawa,
Aloof genius by 相坂優歌, Koutarou Nakagawa,
Catching a peep bastard by 相坂優歌, Koutarou Nakagawa,
Seesaw game by 相坂優歌, Koutarou Nakagawa,
Great war by 相坂優歌, Koutarou Nakagawa,
To the universe… by 相坂優歌, Koutarou Nakagawa,
Field Trip!!（Short ver.） by 相坂優歌, Koutarou Nakagawa,