Boku wa Tomodachi ga Sukunai Official Anthology Comic - Vol. 1 Ch. 3 - If you want to get friends, you need a strategy to get their stomachs first!?

[MangaDex]

 

[ryouhira]

taste?

 

[flannan]

@ryouhira - I think that bento uses nori (dried seaweed) for decorations. Nori isn't particularly tasty.