These 3 Babies Are Hu Tao, Megumin And Ai, They're Half Sisters And Daughters Of Rie Takahashi, Hu Tao's Father/Creator Is Liu Wei (Da Wei), Ai's Father/Creator Is Aka Akasaka And Megumin's Father/Creator Is Natsume Akatsuki

The Babies Are Playing, Babbling Or Crawling Around In Their Diapers, Being Cuties

Megumin: Baba Bu Bu!

Ai: Goo Goo!

Hu Tao: Wah!