Japanese mobile phone operator NTT Docomo published a Top Winter 2018 anime series list based on their customers who use the anime streaming service dAnime Store and voted on the poll. The data was accumulated from January 26 to February 2 with a total of 55,378 votes.
Here are the results:
5. Overlord II
4. Ryuuou no Oshigoto!
3. Yuru Camp
2. Death March kara Hajimaru Isekai Kyousoukyoku
1. Ramen Daisuki Koizumi-san
