>>214031607
>If the active person in the message was Kasuga, then wouldn't the message be sent to 春日?
>Are they talking to 春日 on an instant messaging app (which looks like LINE to me)?
I suppose so, and isn't the message sent to Kasuga displayed in the picture? The app could be LINE but could be something else. Is it so strange for such a message to be displayed on the right side?