strange sond

[Bentivi]

OK! I don't know why the "i" sound is so high and it bothers me a little bit because it looks like the boyfriend from fnf could someone help me?here is the utaloid for those who want to see
(sorry for mistakes in writing I'm using the
Google translator)

 

[Kiyoteru]

It's typical for some vowels to sound strange. When you pronounce sounds in complete isolation, there's a tendency to exaggerate the pronunciation. Think about "how does this sound if I was singing a word in a song?" to help yourself pronounce it more naturally.