OKEI

OKEI

Staff credits

4

2004

HAPPY☆LESSON: THE FINAL

HAPPY☆LESSON: THE FINAL

Theme Song Lyrics (OP)

2003

HAPPY☆LESSON: ADVANCE

HAPPY☆LESSON: ADVANCE

Theme Song Lyrics (OP)

Guardian Hearts

Guardian Hearts

Theme Song Lyrics (OP, ED)

2002

HAPPY☆LESSON (TV)

HAPPY☆LESSON (TV)

Theme Song Lyrics (OP)