they are quite good, tho you do look stiff

one of the reasons why its very "repetitive" is cause of your influence. Every genre runs through a certain pattern of melodies which if you follow it too often, tend to repeats itself.

if you want things to be different , well just play something different

wait..so those are covers of japanese songs?
and since i dunno what the originals sound like...i assume they have traditional song structures?
so for some videos i cant seem to distinguish where the 'verse' and 'chorus' are as they really aren't any 'hooks'...or maybe the originals aren't so strong?
the ones that work abit are the poppier ones i guess like christmas and yesterday...
so maybe do more poppier stuff that translates well to acoustic arrangements?

experiment with looper and delay pedal/effect and you can always spice up your playing with light percussive groove tapping on (string/fretboard/side of guitar)

not bad covers. don't top practising,man