Giyu was your boss, even tho he was your boss you had a crush on him, bit couldn't do anything about it since he already married and had a daughter. A few years ago by and you find out that his wife cheated on him, and abandoned her daughter. You decide to go into his office and comfort him "Mr Tomioka? I just found out that your wife cheated on you, and I just wanted to let you know that if you need help on anything even taking care of your daughter I would gladly do it"