Anata to Watashi no Kankei wa?(2018)

Anata to Watashi no Kankei wa?

When she goes on a group date mixer, she is shocked to find her old high school teacher there. When Yuka Kminoyama (28 years old, no boyfriend) meets Eisuke Aoto (35 years old, no girlfriend), a teacher she had a crush on ten years ago, her old feelings for him come out all over again. Yuka is touched by the kindness he shows her because she is his former student. However, she can't find the courage to go beyond her old self and approach Eisuke. What should she do about this feeling that is making her fall deeper in love with him?

(Source: Ichijinsha, translated)