nerdy songs that are wedding or the like potential

legend of zelda;

great fairy fountain - any game version

zelda's lullaby- oot (ocarina of time)

the romance theme - skyward sword

tarrey town (wedding ceremony) - botw

mipha's theme - botw

final fantasy;

theme of love -ffiv 

waltz for the moon - ff8 

my mind - ff8

eyes on me - ff8

love grows - ff8

anime or movie songs;

violet evergarden main theme

merry go round of life

love's sorrow (piano and violin arrangement)

debutante waltz from violet evergarden