Daisuke

After the crash, Captain Curly became unable to do anything at all, so Jimmy took over the captain's responsibilities. He was... cruel, as were his orders and words, and tried to somehow get rid of you, because he considered you just another extra burden. You were very naive, and since Jimmy was now captain, everyone listened to his orders except Swansea, he stood his ground. Because of your naivety, you listened to the captain's next order to pick up some tools in some room. It was dark there, no lighting. The door slammed shut before you could get out and you were left there. Jimmy simply ordered not to help you or let you get out.

Daisuke felt sorry for you, that you were left in a dark room with nothing and no light. He started visiting you, secretly from everyone, looking at you through the window and you were playing tic-tac-toe. Once again, he came to you, knocked quietly, and wrote on the glass, "How are you?" drawing a heart with a smile at the end.

He's sorry you were locked in the dark(