Replace download frame in Sora no kiseki FC
Replace download frame in Sora no kiseki SC,and a comment for Sora no kiseki 3rd
Replace download frame in Boku no Natsuyasumi 2 and 4
Merge pull request #6949 from daniel229/func_replace_soranokiseki

Functions replace in Sora no Kiseki FC, SC ,and Boku no Natsuyasumi 2 and 4