mendokusai (めんどくさい): tiresome

bother(some) to do, tiresome
Mariko-san: wasteful

tejaku (てじゃく): pouring one's own drink

helping oneself to a drink, pouring one's own drink

ichigo ichie (一期一会): once-in-a-lifetime encounter

There is certain destiny to see someone else.
Once-in-a-lifetime encounter (hence should be cherished as such)

oshyoushina (おしょうしな): "thank you" in Yonezawa

mamonaku (間もなく): soon

soon, before long, in a short time

chigau (違う): to differ (from)

to differ (from), to vary
to be different from promised
to not be in the usual condition

shime no ramen (しめのらめん): finishing up the evening with ramen

finishing up the evening with ramen