Ore no Imōto ga Konna ni Kawaii Wake ga Nai (English: My Little Sister Can't Be This Cute ).
The protagonist who supports his sister’s hobbies, often finding himself caught between her demands and his own social life. oreimo-plus
It explores the balance between fitting into normal society and embracing niche hobbies, as well as the complicated (and controversial) relationship between siblings. Ore no Imōto ga Konna ni Kawaii Wake