What is the longest line where the name of the opening changes after each move?

For example, 1.e4 d5 2.d4 e6 3.Nc3 Bb4 4.e5 makes:

King's Pawn Opening
Scandinavian Defense
Blackmar-Diemer Gambit
French Defense: Normal Variation
French Defense: Paulsen Variation
French Defense: Winawer Variation
French Defense: Winawer Variation: Advance Variation

This is the longest one I can think of currently. Is there a longer one?

Ruy lopez exchange, lutikov variation.
1.e4 Nc6 2.Nc3 e5 3.Bb5 a6 4.Bxc6 bxc6
kings pawn opening
Nimzowitch defense
Nimzowitch defense declined
Kings knight opening
Ruy lopez
Ruy lopez morphy defense
Ruy lopez exchange
Ruy lopez exchange variation, lutikov variation
All according to lichess.org/opening

1 d4 e5 2 e4 exd4 3 Nf3 Nc6 4 Bc4 Nf6 5 O-O Bc5 6 e5 Ng4
Queen's Pawn Game
Englund Gambit
Center Game
Center Game Accepted
Center Game: Kieseritzky Variation
Scotch Game
Scotch Game: Scotch Gambit
Scotch Game: Scotch Gambit, Dubois Réti Defense
Italian Game: Scotch Gambit
Italian Game: Scotch Gambit, Max Lange Attack
Italian Game: Two Knights Defense, Max Lange Attack
Italian Game: Scotch Gambit, Max Lange Attack, Spielmann Defense

This is the longest I was able to come up with

Grunfeld defense Exchange variation Nadanian variation Sabrotna Two Knights Gambit

"King's Pawn Opening" and "Queen's Pawn Game" aren't really names of openings. ;)

Ha, that's a fun little game.
I can't beat @adavison , but found this little gem:

1. e4 d5 2. f4 e5 3. exd5 e4 4. d3

2. King's Pawn Game
   Scandinavian Defense

3. Bird Opening: Williams Gambit
   King's Gambit Declined: Falkbeer Countergambit

4. King's Gambit Declined: Falkbeer Countergambit Accepted
   King's Gambit Declined: Falkbeer Countergambit, Staunton Line

5. King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit

Unable to recall the name but if I remember correctly it was 10 moves long opening!

I found this page, showing the opening name tree used by Lichess:

https://lichess.org/opening/tree

It doesn't really help to solve @TwoKnightsDefense 's silly game, as you can't easily see lines that change their name after every move. But it at least shows where the Lichess name tree has deeper branches (;.