 The majority of Bis songs have lyrics written by the members themselves,

After the group reformed, their image became less confrontational, albeit while retaining a darker, "alternative" theme.Moshing, stage diving and lifting were banned at their concerts, previously known for a rowdy and violent atmosphere.Bis manager Watanabe Junnosuke has explained that during the initial run of Bis, certain concert venues refused to book the group, and companies were unwilling to use them or their music for promotional purposes, making it difficult for the group to create a profit.