ex. Morning Musume Michishige Sayumi's calendar for 2021.
"I want you to see various 'Sayumi' from January to December! A self-produced book based on the concept.
Natural, girly, boyish, healthy, cute, sexy, etc. It is a discerning specification that you can enjoy with costumes, hairstyles, and situations that change every month for 12 months.
Your favorite Sayumi Michishige must be here! Please definitely spend 2021 with 'Sayu'!"