Natsu's appearance 7 years bevore TS.(TimeSkip):

Lullaby original form [transforms into wooden flute after defeat (heard Natsu as a child)] (Dedication on the back in old language + Natsu can translate it):

Remembers the song that was played on the flute #(St. Vitus Dance) [1:19 - 1:40 min] | (Maria Virgin) [2:11 - 2:40 min]:

https://youtu.be/KkXa3ZOPvCw

Song that Natsu remembers / traditional dance from childhood (dance in guild #Sleepwalking) (Dances with Lucy, Levy and Visca at Fantasia + uses fire magic for lettering and symbols):

https://youtu.be/UPnPajrAy4A

Outfit what to wear at Fantasia + reminder at festival Adults women worn, children/teenagers instead of white pink-red:

Wear the dancers in their loose hair:

(Lucy's flower arrangement see picture | Levy's blue | Visa's flower green | Natsu's flower red #necklace, wrist, ankle):

Appearance after 7 years TS:

Dress & veil what Natsu has to wear for the model Battle of Mira (Magic Games) [is forced by Ersa]:

Possible dress for mission (episode 125) [black jacket + complains about shoes #cannot walk on them]:

Hairstyle to dress:

Outbreak of power when Igneel dies/sees Aknologia's scar + memory: outbreak of strength against attacking dragons (a few moments before death):

When it erupts, wings seem to form on Natsu's back (not grown!):

When it breaks out, flames can be seen in black/dark eyes:

Song what she sings with Zeref at Parade (Forces him to do it) [End]:

https://youtu.be/-yOE_d8z3Nc

The guy that Natsu falls in love with (Epilogues):

to be continued in part 3 . . .