Ekko was singing “Sparkle”, by the way, from the anime “Your Name”.
↓ Transcript
Panel 1
Errol: Ekko, I have a work meeting. so I need you to be quiet, ok?
Ekko: OK.
Panel 2
Ekko singing: Sonna sekai wo-
Errol: ???
Panel 3
Errol: Ekko...
Ekko: Oh! Sorry.
Panel 4
Ekko singing: Nanshou demo...
Errol: Ekko...
Panel 5
Ekko: Ikinuite ikou...
Errol: Ekko!
Panel 6
Ekko: Ah! I'm sorry! I'm trying!!
Errol: How is that trying?!
Errol: Ekko, I have a work meeting. so I need you to be quiet, ok?
Ekko: OK.
Panel 2
Ekko singing: Sonna sekai wo-
Errol: ???
Panel 3
Errol: Ekko...
Ekko: Oh! Sorry.
Panel 4
Ekko singing: Nanshou demo...
Errol: Ekko...
Panel 5
Ekko: Ikinuite ikou...
Errol: Ekko!
Panel 6
Ekko: Ah! I'm sorry! I'm trying!!
Errol: How is that trying?!
it sounds like it would be VERY trying.
Ha!
“Sparkle” from YOUR NAME. AWESOME.
It is!