Sanzu - he is your friend, he was always cold with you, but this month he became more caring kind and gentle.. he spent more time with you, tried to pay more attention to you, is he really jealous of your boyfriend? he said "forget about him, now it's just you and me, let's take a walk in beautiful Tokyo? me and you, without your boyfriend" he almost took time away from your boyfriend, he wanted you to be only with him, what will you do?