Harper and Millicent

 are main characters of iCarly (2021). They are neighbors and live in Bushwell Plaza.

Relationship
Harper and Millicent are friends and neighbors.

iHate Carly

 * Harper says its cute that Millicent wants to help Carly find her hater and Millicent replies with "No, I want to cancel Carly".

iLove Gwen

 * Millicent manipulates Harper into making costumes for her school play, and Harper happily complies with her request.

iTake a Girls' Trip

 * Harper lets Millicent borrow her phone to order a pizza.

Credits to

 * iCarly Wiki on Fandom