Isekai Yururi Kikou - Vol. 5 Ch. 31 - First Friend?

[MangaDex]

 

[Doenyon]

Thank you Japanese Isekai Author for admitting you can have good food without drenching it in overbearing soy sauce and ketchup !

 

[NicholasTurner]

I was expecting bone marrow but slimes work too.

 

[LoliCatFox]

I was expecting bone marrow but slimes work too.

Bone marrow??? How did you even reach that opinion?

 

[NicholasTurner]

Bone marrow??? How did you even reach that opinion?

Gelatin- like that used in jello- uses bone marrow, or more specifically the collagen acquired from boiling bones, connective tissue and skin of animals.