Every seiyuu popped up in both Love Live and Pretty Series

Both the Love Live series and the Pretty Series are celebrating their 15th anniversary this year. It's no surprise that some seiyuus from the Love Live series have appeared in the Pretty Series. In honor of both idol franchises' 15th anniversaries, it's time for a little project: a quick list of seiyuus popped up in both Love Live and Pretty Series. Just the big ones.

The most recent Love Live series seiyuu voicing
a Pretty Series Character is Yurika Kubo, famous for 
voicing Love Live's Hanayo Koizumi,
as Tsumugi Suzukaze from Himitsu no AiPri.

• Aya Uchida - In the Love Live series, she voiced Kotori Minami from the original Love Live! TV series. In the Pretty Series, she voiced Hina Yayoi from Waccha PriMagi!
• Suzuko Mimori  - In the Love Live series, she voiced Umi Sonoda from the original Love Live! TV series. In the Pretty Series, she voiced Anju Shiratori from Kiratto PriChan.
• Riho Iida - In the Love Live series, she voiced Rin Hoshizora from the original Love Live! TV series. In the Pretty Series, she voiced Amari Katasumi from Idol Land PriPara.
• Sora Tokui - In the Love Live series, she voiced Nico Yazawa from the original Love Live! TV series. In the Pretty Series, she voiced Suzu Kurokawa from Kiratto PriChan and Airi Mitsuba from Himitsu no AiPri.
• Miyu Kubota - In the Love Live series, she voiced Karin Asaka from Nijigasaki High School Idol Club. In the Pretty Series, she voiced Sophy Hojo from PriPara and Emo Moegi from Kiratto PriChan. Additionally, Kubota is a member of i☆Ris, the group that performed the theme songs for the PriPara anime.
• Tomori Kusunoki - Tomori Kusunoki previously voiced Setsuna Yuki from Nijigasaki High School Idol Club before retiring at the end of March 2023. In the Pretty Series, she voiced Hikari Momoyama, the little sister of Mirai Momoyama from Kiratto PriChan.
• Coco Hayashi - A member of the now-disbanded Run Girls, Run!, Coco took over the role of Setsuna Yuki from Nijigasaki High School Idol Club from Tomori Kusunoki on April Fools' Day in 2023. In the Pretty Series, she voiced Mirai Momoyama from Kiratto PriChan and Pololo from Idol Land PriPara.
• Mayu Sagara - In the Love Live series, she voiced Kasumi Nakasu from Nijigasaki High School Idol Club. In the Pretty Series, she voiced Miruki Amauri from Waccha PriMagi!
• Maria Sashide - In the Love Live series, she voiced Emma Verde from Nijigasaki High School Idol Club. In the Pretty Series, she voiced Eve Kagayaki from Kiratto PriChan.
• Yurika Kubo - In the Love Live series, she voiced Hanayo Koizumi. In the Pretty Series, she voiced Tsumugi Suzukaze from Himitsu no AiPri.

...and there you have it. A list of seiyuus popped up in both Love Live and Pretty Series. It's hard to imagine why both of these franchises poach each other's voice-overs for their idol girls. Long story short.