>>280616025
Teren overestimated how much people would care about Ajisai and Renako's first kiss, despite Renako having kissed like, a dozen times up to that moment, even kissing Mai earlier that volume. Delaying Ajisai's kiss for 5 volumes did not pay off.
They talk more about Renako acting like an annoying bastard after kissing Ajisai than the kiss itself.