Your schedule might look “odd” but it all comes down to math and what days/timeframes you plan on feeding. Then just work out what you need to do to hit your goals
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Ex: because you’re bulking up, you’ll need to make up the deficit somewhere. Let’s pick easy numbers to work with: You want to regularly fast for 48h (2 days), feed for 2 days before starting the next fast, and your bulking is 2.5k cals per day
You fast for 2 days missing 5k cals
You eat for 2 days and need 5k cals total but need to add another 5k cals to hit your required bulking amount. so now you’re looking at eating 10k cals in 2 days to keep to your plan
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This could be hard if your body isn’t used to it and set up for poor eating habits if your plan is too aggressive so be aware of that. Personally, I wouldn’t do more than say 1 fast a week and make up the calories over \~5 days so I’m not eating so much over my usual amounts