I'm in Tokyo, My Daily Life as a Swordsman

Regarding the fact that I will be a neon person in my next life and offend the Yakuza, my parents are dead, I have a sister and a house, and I am standing on the top of Tokyo with a sword in hand, asking: "Who is in charge of the ups and downs?" Looking at the tens of thousands of yen in deposits and the lottery panel, Chiba Hayabusa fell into deep thought. Should he pay his sister's tuition, or should he draw ten rounds in a row? Daily life, campus, Yakuza...