Incoming OC at BB, but Lowkey Dream of Fashion - What should I do?

Alright, it’s already 3 a.m. as I start writing… whatever this is going to be. I’ll try to stay structured, but mostly, I’m just seeking perspective - my brain refuses to cooperate, and I can’t seem to escape the mental trap I’m stuck in.

TL;DR:

I'm in my mid-20s from Eastern Europe, torn between a stable finance path and a creative dream of working in fashion. I studied economics, did a finance master’s I didn’t like, struggled with recruiting, and now have an incoming BB off-cycle internship. On paper it looks like a win, but I feel empty, unsure, and scared - both of failing in financial career I do not enjoy and of never pursuing what I truly care about.

My family and friends don't understand or support a creative pivot, and I feel stuck between cultural expectations, financial responsibility, and personal fulfillment. I’m thinking of staying in finance for 1–2 years, then maybe pivoting through another Master’s or networking, but I’m scared it’s too late, too risky, or just not possible.

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I won’t go into too much detail because that might just add unnecessary weight to an already heavy conversation. I'm in my mid-twenties from Eastern country with a constant creative pull (arts, music, fashion). Before doing an undergrad and master in EU, I used to play in a local band, lead a small community writing about art / fashion topics, mainly for friends. I gave up most of those to focus first on studies, then on applying for master's and then on constant recruiting. However, I still dream about getting into fashion somehow but I keep telling myself it's not for me or it's too late.

After three years of trying, I finally received an offer for an off-cycle internship at a BB. It was unexpected and quite surprising because career-wise I felt like a dead man. I even returned home unable to find a job in the country where I did my master’s. Don’t get me wrong, I understand this is a great opportunity for me both professionally and personally, and there’s a high chance of a full-time offer afterward. This is a chance to save my CV, which isn’t very impressive (non-significant experience at a local Big 4, six months at a no-name advisory firm, and six months in M&A at a very niche start-up - though it was more like corporate finance). I’m fully aware of what I’m trading with here.

However, every time I meet or see someone working for a fashion brand, I honestly get upset and jealous because it interests me so much. For the record, I’m well aware of the difficulties in the industry - the current state, the nepotism, the egos, not to mention the low salaries and limited career progression. Those last two fuel my anxiety and often stop me from even considering it seriously. I remind myself: “You can’t afford to go there. You chose finance. Your family depends on you. Don’t be selfish. Don’t chase childish dreams.” Even though I’ve tried to pivot over the past three years, it hasn’t worked - virtually my profile isn’t strong enough for regular finance jobs, let alone fashion or production roles. But I keep coming back to this dream which is quite painful as of recently. 

Although I feel like an incompetent piece of shit and my imposter syndrome is at all time highs, I’m not going to reject the BB internship - that would be a stupid decision. But I honestly don’t know what to do afterwards. My life just happens to me while I dream about another version of myself.

I'm considering a few paths:

1. Stay in banking / finance for 1–2 years, then pivot as close as I can get into fashion. This. approach seems to be very limited to FP&A / M&A in big corpos, this is not what I want to do.
2. Stay in banking, save money and do another Master’s (fashion-related) and start over. However, it might be a poor investment decision. I’ll be close to 30 when I graduate. My culture / upbringing expects people to be settled by then - own an apartment, get married, maybe even kids, stable careers with financial prospects and help the old ones. Mine are just regular folk without much savings. Although I'm trying to be independent in my line of thought, I cannot help myself as I'm wired to this culture and to this life view

All my friends are in finance or IT, they are quite happy with their choices, my family regards success exclusively from a financial perspective, and they are easy to get mad in case of opening up to them. I’m scared that pivoting isn’t financially realistic and possible but I'm also scared to live my life knowing I have not done what I wanted.

Do you know similar cases or at least similar, immature, ungrateful, and lost human souls as it appears to be with mine? I just cannot stand this growing depression in myself. I wish I was not like this.