I'm autistic and enjoy grouping things together so here's a list of loli trios in various anime/manga. There's got to be more out there. Who did I miss?

>Hanamaru Youchien Trio of Anzu, Hiiragi, and Koume
>Mitsudomoe Trio of Hitoha, Futaba, and Mitsuba
>Wataten Trio of Hana, Hinata, and Noa
>Mitsuboshi Colors Trio of Yui, Kotoha, and Sacchan
>Kodomo no Jikan Trio of Rin, Kuro, and Mimi
>Shoujo Ramune Trio of Chie, Tenka, and Komako
>Main U149 Trio of Arisu, Momoka, and Risa
>Prisma Illya Trio of Illya, Miyu, and Kuro

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BONUS TIME
>Ichigo Marshmallows: Miu, Matsuri, Chika, Ana
>Ro-Kyu-Bus: Tomoka, Saki, Hinata, Airi, Maho

>>279819720
>>279819706
These are both profound and logical answers.