[F4A] Dating a Yandere // Joke's On You [Established Relationship][Strangers to Lovers][Closeted Yandere Speaker][Chill Listener][First Date][Comedy][Internal Thoughts][Kind of Wholesome][Confession][Reverse Comfort][Reveal][Cute][Flirting][Jealous][A Little Unhinged]but[Sweet][CW: Yandere Shenanigans]