Need some Anime.

I recommend the following series:

1. Dungeon ni deai wo motomeru no wa machigatteiru darou ka
2. Overlord
3. ReLIFE (Slice of Life, Romance, School)
4. No game No Life
5. Gate
6. Hataraku Maou-sama!
7. Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo?
8. Re:Zero kara Hajimeru Isekai Seikatsu
9. Kono Subarashii Sekai ni Shukufuku wo!
10. Hunter x Hunter (2011)
11. Maoyuu Maou Yuusha
12. Akame ga Kill!
13. Code Geass: Hangyaku no Lelouch
14. Mahouka Koukou no Rettousei
15. One Punch Man

Finish all these series and I will recommend others more later.