They were attempting to kiss each other
but were interrupted. I myself don't think this was really a problem, since their relationship was more or less confirmed with this.
By the way, in chapter 73. Hiruma more or less confessed to Gen. Said she had loved him (in the past). But she's going to Tokyo, and Gen decided to stay in the temple, and she thought that LDR was probably more or less impossible. Though I think she just knew that Gen liked Chion all along