Etsuko Tajima dedicates herself to upholding Harunoya Inn’s daily operations alongside Okko’s grandmother, managing tasks that span guest interactions, kitchen duties, and maintaining the establishment’s rhythm. She collaborates with the staff to navigate challenges brought by visitors, such as providing compassionate care for Akane Kanda and his grieving father during their stay. Attuned to the family’s emotional burdens, she supports Okko’s resolve to foster comfort and belonging for all guests.

The inn’s unwavering commitment to hospitality—welcoming those in distress without prejudice—faces trials when Okko invites disheveled or visibly troubled strangers. Etsuko, however, anchors herself to this philosophy, reinforcing the belief that every guest deserves dignity. Her calm demeanor and cooperative spirit strengthen the staff’s unity, offering quiet consistency as Okko hones her skills to inherit the inn’s legacy. Through shared efforts, Etsuko helps sustain an environment where compassion and inclusivity remain unshakable pillars.