Toradora!

An unaired episode included in the Blu-ray box set. Kitamura brings a gigantic bentou to school: His parents are on a business trip, so his grandma is taking care of him for the time being. While everyone else is happy to be allowed to eat from this bentou, Takasu considers it a challenge to his own housewife skills; during the following days he tries to make creative special bentous in order to "beat" his mysterious opponent... before he learns what making bentou is ultimately about.