Heart's Blooming is the opposite to Fractured Souls in many ways. There is no m/m content whatsoever and Tim actually completes an entire year of high school at Oakley Senior without interruption.
Heart's Blooming begins the process of repairing the damage inflicted in the previous book while introducing a new love interest.
Book 4 will finish posting next weekend, and the first four parts of Book 5 will post begin posting in chunks like Book 3 and 4 have. But that's when all of Tim, the Teenage MC content ends. The final 10 chapters of the final part of book 5 and all the following books will upload one chapter at a time as it is all new content from that point on.
Book5 is where things become truly interesting, even magical. The remainder of the books just keep building on that, adding moments of humor and adventure of the likes you haven't seen in the story before.
I honestly can't wait for the new content to post. It's the later content I'm most proud of. The story so far seems somewhat sluggish to me in comparison.