In 2016, Aiko Asano did an interview to look back over her experience; she said that her manager wanted her to do the nude photobook The Younger Sister of Summer and she didn't really want to do it, but the photographer tried his very best to make her feel more comfortable during the photoshoots; eventually, she became more proud of the nude book The Younger Sister of Summer as she grew older.
In 2016, Aiko Asano reflected on her past experience; she stated that her manager had pushed her to create the nude photobook The Younger Sister of Summer, but the photographer made an effort to make her feel more at ease during the photo shoots; eventually, she developed a sense of pride in the final product.