[3] Between 1981 and 1988 he appeared in over 500 softcore pink films, working for such directors as Hisayasu Satō, Yōjirō Takita and Ryūichi Hiroki.
[5] Ikejima appeared in Satō's gay-themed Temptation of the Mask (1987), a film significant for joining three of the "Four Devils" or "Four Heavenly Kings of Pink" (ピンク四天王, pinku shitenno) in one work.
[6] Ikejima became one of Zeze Takahisa's "Zeze-gumi" (Zeze-group) of regulars including Takeshi Itō, Yōta Kawase and Yumeka Sasaki.
[3] Through this company he has produced such prominent pink films as Daisuke Goto's A Lonely Cow Weeps at Dawn (2003) and ENK's The Gays in Wonderland (1997).
[9] In his pink film directorial career, Ikejima usually collaborates with his wife, screenwriter Kyōko Godai, who had previously made a name for herself scripting for Hisayasu Satō.