If you loved Hanasaku Iroha the Movie: Home Sweet Home, try Wake Up, Girls! - Seven Idols
A bridge between a film you've already seen and one most people haven't. Wake Up, Girls! - Seven Idols has roughly 3.3× fewer votes than Hanasaku Iroha the Movie: Home Sweet Home — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

Hanasaku Iroha the Movie: Home Sweet Home

Wake Up, Girls! - Seven Idols
What they share
Theyboth carry the bittersweet mood tag, and they sit in Animation / Comedy / Drama territory. If that's the register that drew you to Hanasaku Iroha the Movie: Home Sweet Home, the second film will land in a comparable space — through a different lens.
What Wake Up, Girls! - Seven Idols is
Here's a film about the Japanese entertainment industry that is, in itself, a product of the Japanese entertainment industry. A talent agency president decides to create an idol group to save his failing business. It's a fairly effective piece of marketing, if nothing else.