How to add more than one users in 'reports to' field of Employee doctype?

Hello,
I want to add multiple users in the ‘reports to’ field in employee doctype, but I don’t know how it will be possible…

Does anyone have an idea, I am also facing the same issue!

Any one having idea i have facing same issue how to resolved this?

@KamalDeepPareek Is there any Code changes i was doing solution 1 but this is not work ? please help and reply.