After she recovered her strength, Auntie Yayoi dropped me off at the train station. She’s trying her hardest to look fine when in fact, she’s extremely bothered by what happened. Upon knowing that the man she’s considering marrying once everything was sorted out could resort to that just for her to say yes, she once again lost her trust over men.
Her ex-husband accused her of cheating and destroyed her reputation by doing so. She’s a faithful housewife back then but to be betrayed like that by the man she put her trust and devotion to, the pain she felt was more than what Mina received. For all I know, she also shielded the girl from it. Hence, they left their hometown and moved here to our city. It’s to give Mina a fresh start.
She probably hadn’t considered her own happiness for years