Kimi ga Shinanai Hi no Gohan  

A Meal for The Day You Can't Die, 君が死なない日のごはん

As a child, Semimaru's friend Mika fell into a coma after a traffic accident. Years later, in a spirit-like form, she appeared before him and expressed her desire to eat something delicious before passing away. However, since Semimaru was not skilled at cooking, he may have struggled to fulfill this request.