I see this notion going around that sex workers and AV actors are not human beings who can maintain boundaries. Yeah it may seem different because of the nature of their occupation but that doesn't mean they don't deserve the kind of love like of those who aren't sex workers. One comment has even equated the love life of sex workers to practicing polygamy. That's like saying movie actors are all polyamorous because they pretend to love other people on screen.
He has a very low opinion of himself. His self-worth is always put into question. He had a difficult childhood. Years of holding bitter thoughts and experiences would make him disregard the importance of his own birthday and that treatment would seep to his attitude towards the birthdays of others. I'm not defending what he failed to do for Masato's birthday which is the bare minimum. I'm just trying to understand. Personally, I also don't feel like celebrating my birthdays owing to my low self-esteem.











This story is ridiculous in many ways. Better to avoid taking the plot, characters, and setting so seriously. Just go with the flow. ヾ(❀╹◡╹)ノ~