You Got Me, Sempai! Vol. 6 (Kodansha, 2019)

After a year of whirlwind romance, Serina and Mizukawa-sempai are celebrating their first anniversary together! With their second year as boyfriend and girlfriend underway, Serina's sending signs that she's ready to take their romance to the next step...but Sempai wants to meet her family first. Is their first time around the corner at last? Maybe not if Sempai's little brother has anything to say about it...!