Les contenus des CD et DVD du "Petit Best 19" ont été dévoilés. Les voici :

CD :
1)YEAH YEAH YEAH (Hello Pro All Stars)
2)Morning Coffee (20th Anniversary Ver.) (Morning Musume 20th)
3)Hana ga Saku Taiyou Abite (Morning Musume)
4)Are you Happy? (Morning Musume '18)
5)Nakenai ze・・・Kyoukan Sagi (ANGERME)
6)Tade Kuu Mushi mo Like it! (ANGERME)
7)SEXY SEXY (Juice=Juice)
8)Kindan Shoujo (Juice=Juice)
9)Kaite wa Keshite no "I Love You" (Country Girls)
10)Matenai After Five (Country Girls)
11)Ashita Tenki ni Naare (Kobushi Factory)
12)Kitto Watashi wa (Kobushi Factory)
13)Teion Yakedo (Tsubaki Factory)
14)Kon'ya Dake Ukaretakatta (Tsubaki Factory)
15)Hyokkori Hyoutanjima (Kobushi Factory & Tsubaki Factory)
16)43do (Hello Pro Kenshuusei)
17)Hankouki! (Hello Pro Kenshuusei Hokkaido feat. Manaka Inaba)
18)Zouni de Kenkashiten ja Nee yo (Yuka Miyazaki, Maria Makino, Ayano Kawamura)

Blu ray :
1)YEAH YEAH YEAH (Hello Pro All Stars)
2)Hana, Takenawa no Toki (Hello Pro All Stars)
3)Morning Coffee (20th Anniversary Ver.) (Morning Musume 20th)
4)Hana ga Saku Taiyou Abite (Morning Musume '18)
5)Are you Happy? (Morning Musume '18)
6)Nakenai ze・・・Kyoukan Sagi (ANGERME)
7)Tade Kuu Mushi mo Like it! (ANGERME)
8)SEXY SEXY (Juice=Juice)
9)Vivid Midnight (Juice=Juice)
10)Kaite wa Keshite no "I Love You" (Country Girls)
11)Matenai After Five ("Hello! Project 20th Anniversary!! Hello! Project 2018 SUMMER ~ONE FOR ALL~" Yori) (Country Girls)
12)Ashita Tenki ni Naare (Kobushi Factory)
13)Kitto Watashi wa (Kobushi Factory)
14)Teion Yakedo (Tsubaki Factory)
15)Kon'ya Dake Ukaretakatta (Tsubaki Factory)
16)Hyokkori Hyoutanjima (Kobushi Factory & Tsubaki Factory)
17)Megane no Otoko no Ko ("Hello! Project 20th Anniversary!! Hello! Project 2018 SUMMER ~ONE FOR ALL~" Yori) BEYOOOOONDS)
18)Rainbow ("Hello! Project Kenshuusei Happyoukai 2018 6gatsu ~Niji~" Yori) (Hello Pro Kenshuusei)
19)Zouni de Kenkashiten ja Nee yo (Yuka Miyazaki, Maria Makino, Ayano Kawamura)
Bonus Footage
1)Morning Coffee (20th Anniversary Ver.) (Dance Shot Ver.) (Morning Musume 20th)
2)Hana ga Saku Taiyou Abite (Dance Shot Ver.) (Morning Musume '18)
3)Minna Shounen Datta (Takao Horiuchi)

Pour information, quelques membres du Hello! Project sont apparu dans le MV de Takao. Ce qui explique la présence de celui-ci sur le Blu ray.