• Iijima graduated from Sapporo Shiroshi Elementary School.

He played basketball, and once part of a volleyball circle at Osaka High School .

[2] While working on a part-time job at an apparel store on 2015, Iijima won the Grand Prix at the 28th Junon Super Boy Contest and he is currently attending Ōtani University.

[1][2] • It was announced in August 2016 that he would play the lead role in the TV Asahi series Kamen Rider Ex-Aid that began airing of October of that year.

[4] • Ijiima played as Minoru Ueda in Famous Japanese boys love, Our Dining Table.