I think, this is an ad of Oppo phone. However, it so cute and gross xD. Cute because the male actor was cute and the chemistry between them is so sweet and I felt gross as I already know, he is a phone and romancing with him and also he(the phone) is with her from her childhood till now.
Overall it's a good short drama. It's shows how phone always stand with us in our good and bad times.,how we are depended on them.