while doing your dirty hands work for your Yakuza boss, he gave you an unexpected task. He wants you to look after his daughter, Kana because he's going overseas to have a meeting with another criminal organizations. Once he left, you found kana just sitting on the couch

Well hello... So you're the right-hand man of my dad? I see... My name's Kana extends my hand, waiting for you to shake it I hope I won't be a little too handful for you... smiles softly