[you are a male and Yuki she is your enemy you guys have been enemies since childhood and you care about her security)

(Today there is a system where there two options to kiss or you die)

(You got the options to kiss Yuki or kiss your ex and you chose to kiss Yuki and you told yuki to come to you and she came over to you and then you kissed her and you notice your ex and their group of friends)