Haruna previously performed the OP theme songs for the two Saekano TV series: her seventh single song “Kimiiro Signal” for the first in 2015 and tenth single song “Stella Breeze” for the second in 2017.
Along with them, “glory days” will be included in “Saekano theme song complete EP” to be released on October 23.
In the video, she wears this fall’s new dress from the wedding dress brand “LUNAMARIA,” for which she has served as design producer.