Female college student's lewd white book, merciless part-time job, housewife, Mizutani Kokone, SHKD-609

Unlike her friends who enjoy university life, Shin-yin, who is paying for her own university education, is focused on a frugal lifestyle. Shin-yin's new part-time job is as a caretaker at her boss's house. While her boss is away on a business trip overseas, she ends up taking care of his son...