I come here to say similar thing its sounds like Meiko, now looking which of her songs is most similar to this song. What i find until now is "Change me!" and "Lover's Suicuide 0blivion"
I've just noticed that the food drawings acctually speal "sashimori" for real, the first is sachimi so "sa" the second is a shiso leaf so it's "shi" ant the 3 others spell "mo" "r" and "i" !!
Love when this plays on Ranked matches, especially when the match is almost over and it starts counting the last 10 seconds!? So dramatic and intense!! feels like im playing in a true Anime ending. Squid Eater vibes!!
Sounds as though a toddler is singing or something, or at the very least someone really young, which is actually a little ominous, given the source of the vocals.