[KellyMD]

Originally Posted by masaegu

Thanks. Now it is clear. The 後輩 demands that the 先輩 give a straight answer regarding who the girl officially "belongs to", such as one including the phrase　「今　ここで」. The 後輩 should be thinking of a line like 「今ここで誓う。Ａ子はお前のものだ。」.

Thank you very very much once again, masaegu !