"The Bereaved Girl" Kuroki is psychologically sensitive and lacks recognition, and some people in reality have had similar experiences to her. Rather, this drama is to start from reality and dig out the points (sensitive points) that make such people's mood fluctuate.
I think it has to do with three factors: family environment, genes, and experience.
I saw my own black history from the widow, and I did, because I felt that I was incompatible with Tongzige, so I wanted to get approval, because if I wanted to get approval, I would pay too much attention to myself, so I sometimes made some ridiculous behaviors. It took me a long time to overcome this mentality, learning not to focus too much on myself, at least not to do strange things to attract attention.
It was particularly embarrassing to see Xiao Fu in the anime repeat something similar to his previous one.

Affection, friendship, love (or the attention of the opposite sex), these things that the heroine has always longed for, has not always been by her side?
The heroine desperately wants to change herself for these things, but they are precisely attracted by the embarrassment and black history of the heroine (wanting to become the first female arms dealer in Japan, making up stories, treating the warmth of the family, and the feeling of what she has been desperately trying to do).
Kuroki desperately wants to gain the love of others, while unconsciously trying to ignore these loves.
What made me feel most cruel was not that Kuroki was mistaken by his father to see what H was, but that his father saw it, but quietly turned it off and carried his daughter to the bed.
The greatest cruelty is that Kuroki "does not know" that these are love, and has always "habitually" ignored them, but desperately desires these...
On the surface, it seems to tell the daily life of an unloved girl who is embarrassed and fails, telling how she is hurt by the things around her, how she can't ask for jokes, but in fact, she is pouring out the general heart of teenagers to the society.
Arrogant, exaggerated and childish, immersed in fantasy, immature but self-righteous.
"No matter what, no one loves it, it doesn't matter, it will try to live!" Because there are actually a lot of people around who love me! "That's what Kuroki didn't say."
"Cherish it!"