Episode 4 of Season 2 of MBFD is just as great as the previous ones. Celavie is my favorite dev and it's a combination of great backgrounds well integrated with gorgeous fc's, plus very few bugs left and good English in the dialogues and instructions. The re-introduction of the events-completed count that everyone liked in previous games makes it easier to progress. It took me about 3 hours to get all 67 events done and finish episode 4. It would have been less except Mr. Celavie/Bob had some tricks. As with previous games, you can use CTRL to skip through material you have already seen and don't want to see again, or instead you can use rollback to go back to a previous fork point. BUT, you need to know when this causes problems. There are three places, and if you don't want a spoiler here, ignore the next paragraph of my post.
In all places except three, there is only one good choice when a set of options is presented to you; of course you need to click the upper-left-corner icon to make the obvious best choice for the fc whenever it appears. Place 1: shower with April, you need to do both of the options on different days{steal towel and walk up} as they both give you events. Place 2: in the pool playing Blind Man's Bluff, do all four fc's separately, twice each with option 2 and 3 chosen: this gives you 8 events. Place 3: For each new day, after waking up and hitting relax twice, the fc's will come to your room, but there is a count of how many times they each come and you need to accumulate these as some give additional events. This is unusual, in that the beginning graphics are the same, but they go further the number of times they happen, on different days - so don't rollback in this situation just because you have seen the beginning sequence already. With these three hints, the episode will probably be completed in 2 or 2 1/2 hours, unless you want to go very slowly to appreciate the great graphics Celavie is noted for.
I looked at the code and it is amazing how much Celavie accomplishes in one month (per episode). There is a large amount of coding, plus background graphics that is richly detailed, plus fc's in positions that fit the background perfectly, plus writing the dialogs, plus debugging. And for this episode, he reinstalled the event-count mechanism. I don't know how he does it; maybe he never sleeps. If you have the means to support him, anonymously or not, try to do it.