日下部　律子

Is the mistress of Yasuhiro grandfather. Said to have the most life experience of all mother candidates. Is friendly to Yasuhiro so much so that she is often trying to tempt him. Became a mother candidate for fear of be replaced by younger mistress in time.


 Her parents died while she was still attending school leaving debt to her. She then became prostitute to survive eventual meeting grandfather that bought off her entire debt. She always wanted to get married, have kids and have a normal family life. But for w/e reason grandfather didn't want to marry her nor have kids. So when protagonist came onto scene this was her last chance to have those things.