I don’t know which type of songs the poster prefers, so I’ll give you some information based on popularity, rankings, friends’ recommendations, and personal experience~~~ (Japanese copy~~~)

1 "Attack on Titan" Guren's Bow ~ (the lyrics and music are as shocking as the anime)

2 "Naruto": Blue Bird (used as the Hokage OP twice), long kiss good bye, the Lost Tower, for you (these three songs are all sung by girls, lyrical~) hero come”s back (inspiring~ touching)

3 "Natsume's Book of Friends" Xia Xikong (lyrical~ sung by Kousuke Naka ) I love you, the voice of Ichisaki (sung by Shuhei Kita, who won the Best Actor Award at the 1st Animation Song Awards), I love you, I personally think the ops and eds from one to four seasons are all very nice~~~

4 "Gintama" Cloudy Day (has entered the rankings, the most popular song in Gintama~), Shura, I love you (sung by a girl, has entered the rankings) candy line, Taoyuan 鷷エイリアン (very interesting~)

5 "Inuyasha" four seasons (sung by Namie Amuro) dearest (sung by Ayumi Hamasaki) change the world, graduation day tomorrow (sung by Hideaki Takizawa)

6. The music of "Final Fantasy" FF is impeccable, and the background music is also good ~ the most famous one is "Su Enmi", and others like "Black Water" are very touching.

7. "Gundam". Akatsuki no Car (this one is so famous), Flame Gate, and a piano song Tears~ often played on TV.

8 "Hakuoki" (the animation plot is very average, the characters and music are great. ~), Akane Sora's Wish, Jun's Memory, Hana no Keng, Izayoi's Tears, Dancing Wind (I often listened to it on the way to school at 6 a.m. when I was in my senior year of high school, and it was very powerful~~~) Akira no Tzu, Jutsu no Keng ( You will regret it if you don’t listen~)

9 "One Piece" (it’s such a classic but I haven’t watched a few episodes yet~~~) Permanent Pointer (a very popular song), friend (I want to cry when I listen to it~), we are (op1, often heard in ktv~) comepass

10 "Black Butler" (my favorite anime, selfish~~~) bird, 光く空の久久には ( Very sad) lacrimosa, kiss of black and white, white lie in black (highly recommended~~)

I won’t explain them one by one next~

11 "The Headless Horseman's Tales" 》Record Kirika りの夜焼け, trust me, コンプリケイション

12 "Praise of Things" Jun だけの journey

13 "Hidden King" Hikari (Light)

14 "Bake Monogatari" Love in Love サキュレション

15 "Chess Soul" I'll Be The One, get over, sincerely

16 "Dance-Hime" It's Only The Fairy Tale

17 "The Hillside with Blooming Poppies" Spring Wind (sung by Aoi Teshima)

18 "Hell Girl" Aizen, Yuugao (sung by Mamiko Noto), The Rebel Butterfly, first snow, night light.

19 "The World's No. 1 First Love" ワカバTomorrow's Servant は君会いに行く (sung by Kita Shuhei, enter the ranking~~~)

20 "air" Bird Poetry (Absolutely Classic~~~)

21 "Twilight Girl × Amnesia" Karala ランドリエ

22 "X War" Secret Sorrow (sung by Koizumi Heihei, I personally think it is very touching~~)

23 "The Cat's Repayment" turns into the wind

24 "Detective Conan" summer time gone, time after time (sung by Mai Kuraki~~~).

25 "clann" Qingming Cherry Blossom Festival

26 "Hetalia" Round Earth (meaning to stand still, Ni Bang, the British version is better~~~ Children's Rhymes )

27 "Qin Shi Mingyue" Moonlight (the last magnificent Chinese comic~~~, the music is good)

ps: I have heard all the above, watching anime or I downloaded it after listening to Kugou Radio and thought it sounded good. I hope you will adopt it~~~