YOU SAID:

One of my managers' sister just comes in here and chats with me sometimes and I'm not certain what the deal is but it's okay I guess.

INTO JAPANESE

私の上司の一人がちょうどここにやって来て、時々私と話をしています。

BACK INTO ENGLISH

One of my bosses came here just now, sometimes speaking to me.

INTO JAPANESE

私の上司の一人が今ここに来ました。

BACK INTO ENGLISH

One of my bosses came here now.

INTO JAPANESE

私の上司の一人が今ここに来ました。

BACK INTO ENGLISH

One of my bosses came here now.