
Quick answer — Rina Endou voices Tsumugi Inuzuka in Sweetness & Lightning, Hina Kubota in Barakamon, Mary in Princess Principal: ~Crown Handler~ 2 and 4 more characters.
Rina Endou voices Tsumugi Inuzuka (Sweetness & Lightning), Hina Kubota (Barakamon), Mary (Princess Principal: ~Crown Handler~ 2), Miyo Akino (Okko's Inn), Machi Kuga (A Galaxy Next Door), Asumi Kiyomizu (RE-MAIN), Satomi Kodama (The Dinner Table Detective).
Tsumugi Inuzuka is voiced in Japanese by Rina Endou.