No, it's because if you eat(Modernization) Maruyu your ship's luck will increase.
and it seems like Maruyu herself here isnt aware of it
Kiso-san...Eat something! You'll feel better!I really do want to cheer her up though...
Kancolle Manga—"Maru-yu"! ②
Recently Yamashiro-san's been feeling down.My, what's the matter? Why are you carrying a knife and a for...I'll try inviting her out to lunch!Siiigh... such misfortune...
Fukou da (wa)!...you mean it's okay to eat you...?
in-game, one of the uses of Maruyu is as luck increasing modernization fodder
