Their band name translates as "Pork bowl with salt and green onions" - Negishio Butadon - ねぎ塩豚丼 - Tonight [Music Video]

From their YouTube Channel info, I translated it with DeepL and it says - "Gotanda-based 4-piece band 'Negishio Butadon' Pronounced 'Tondon', not 'Butadon'!!"