Japanese mobile phone operator NTT Docomo published a Top 10 Spring 2017 anime series list based on the viewing habits of their customers who use the anime streaming service dAnime Store. The data is specifically looking at anime series from the spring 2017 line-up. The data was accumulated from April 28 to May 8.
Here are the results:
10. Busou Shoujo Machiavellianism
9. Oushitsu Kyoushi Haine
8. Alice to Zouroku
7. Natsume Yuujinchou Roku
6. Zero Kara Hajimeru Mahou no Sho
5. SukaSuka
4. Sword Oratoria
3. Shingeki no Kyojin Season 2
2. Rokudenashi Majutsu Koushi to Akashic Records
1. Eromanga-sensei