If you've watched multiple romcoms and the anime which are just peaceful to watch then please drop some suggestions.

Some famous that I've watched:-
1. Dreaming Boy is a Realist
2. The Dangers in My Heart
3. Oregairu
4. Tora Dora
5. Clannad: After Story
6. Apothecary Diaries
7. Bunny Girl Senpai
8. Teasing master takagi san
9. Relife
10. Skip and Loafer
11. Horimiya
12. Kaguya sama