Shirakawa Sawahei thought Koyama Haruko might have some unspeakable family issue, so he explained, "It's okay, Miss Koyama, if it's inconvenient, you don't have to say it."
Koyama Haruko shook her head with a smile, "It's not to that extent... it's just that I have a younger sister, and she seems to be going through her rebellious phase, so I can't put all my energy into work..."
"Rebellious phase, huh." Shirakawa Sawahei remarked, "Kids these days are indeed quite troublesome."
For a moment, he forgot he was also a high school student, making such a comment. Hearing this, Koyama Haruko smiled softly, "Mr. Shirakawa seems quite mature."
"It's nothing, just feeling a bit sentimental... Miss Koyama's sister is in middle school, right?"
"No, she's in high school."
Shirakawa Sawahei was taken aback at her words; it seemed her rebellious phase came a bit late.
"Shirakawa! Hurry up, Rion said she would treat us to coffee!" Ise Yu Yuzhijin waved from up ahead.
