What's the difference between Aishiteru and Aishiteimasu in Japanese?

Fujii Kaze - Shinunoga E-Wa (Lyrics)|”Watashi no saigo wa anata ga ii”|

"Akuma no Ko" - Ai Higuchi (Lyrics + English Sub) [Attack on Titan]

真夜中のドア (Stay With Me) - 松原みき (Miki Matsubara) | Cover by Chris Andrian Yang

otome no kokoroe (Taisho Otome Fairy Tale)op Lyrics (Jap+Eng+Translate)

How to Pronounce Totemo (Japanese)

Fujii Kaze - Shinunoga E-wa | easy lyrics