My Senpai Is Annoying (2021)

S01E06 Grandpa Hearts Futaba

Futaba and Takeda discover they have the same birthday and agree to surprise each other with flowers. However, just as they exit the flower shop, Grandpa arrives with a bouquet in hand, insisting that Takeda return his granddaughter to him. Tensions rise as he playfully asserts his claim, adding an unexpected twist to their celebration.