
https://adventureblog.net/2021/01/triumph-and-tragedy-on-k2-as-first-winter-ascent-is-achieved.html
Found this thread today and suddenly remind me of this manga and Habu.

February 2nd?? Masato is an aquarian like me? It's makes happy for no reason!
And as a fellow aquarian myself I can understand why is masato so devoted in his relationship. One's whose born under this zodiac sign have the same tendency, once they decided to start a relationship they will give their all. My statement also based on actual person in my real life who happened to be aquarian.
Thank you for the update!!