7. Joining demon slayer<\/strong><\/h2>\n\n\n\nWhen obanais whole family was kill by the demon, the last person who remains was his cousin. When he returned his cousin abused him and said that he is responsible for the death of all his family members. Hurt by his words, obanai became a harsh person. His cousin also said that obanai should have sacrificed himself so that his clan lived. Obanai became a person with guilt and also decided to join demon Slayer just so that he can kill demons and make his rage come out on someone. He also became a person with no fear and self-love.<\/p>\n\n\n\n