I have a feeling that isn't a real picture of his mom, or she wants nothing to do with the dad and tells the son how toxic the dad.
We saw his mum in previous chapters when the protagonist made a delivery to her home without knowing. She was with her child and she is probably married so the photo would be accurate.
I have a feeling that isn't a real picture of his mom, or she wants nothing to do with the dad and tells the son how toxic the dad.