Kadokura's father and Kima are unbelievable selfish and I really hope that this doesn't end up being one of those 'Give up on your dreams to please everyone else' story.
This should sum up the ending...(at least I think so - I can't read the raws at all): http://www.mangago.zone/read-manga/interval_zero/raw/raw-chapter-260587/6/
They grow up so fast ╥﹏╥