Wen Ningxuan casually showed Lin He around; nothing particularly interesting occurred, and soon they left. Wen Ningxuan wasn't in a hurry to take Lin He back; the two lingered leisurely on the grassland outside the city. Suddenly, Lin He felt something amiss with her body. Claiming she felt unwell, she urged Wen Ningxuan to return quickly.

Wen Ningxuan looked at Lin He with concern, unable to discern what was wrong, which only heightened his worry. He swiftly galloped back, bringing Lin He to the courtyard. Upon arrival, Wen Ningxuan anxiously asked, "He'er, what ails you? Shall I fetch a physician?"

"No need, I'll be fine after some rest. With Ziyu here to attend to me, you should return to the shop first." Lin He hurried out the words and called for Ziyu as she went indoors.

Ziyu, observing Lin He’s haste, quickly followed her into the room. Inside, Lin He whispered her situation to Ziyu, who laughed and declared, "Congratulations, Miss! You truly are growing up."

Lin He was torn between laughter and tears. What was there to congratulate about the onset of her Kuishui (menstruation)? Now she didn't know what to do. In her previous life, there were sanitary pads and cotton briefs; here, none of those existed. Caught entirely unprepared, she felt helpless and looked pleadingly at Ziyu.

Ziyu was close to Lin He’s age, and though she hadn't experienced her Kuishui yet, as maids, they knew how to handle such matters. Still, this presented a challenge. They had nothing prepared at home, and it seemed too late to rush out to the market now. With no other recourse, Ziyu decided she would have to sew something up temporarily.

Noticing Lin He standing there uncertainly, Ziyu smiled and said, "Miss, wait a moment. I'll have the other maids bring in hot water. You take a bath first. I will quickly stitch a Yueshibu (menstrual cloth) for you; it won't take long."

"What? A Yueshibu? What is that?" Lin He inquired.

"It's what women use when their Kuishui comes, Miss. This is what most people use," Ziyu replied.

"How do you use it? How is it made?" Lin He asked, curiosity piqued.

Ziyu then described the general appearance and method of using the Yueshibu. Lin He found the concept terribly inconvenient. If she didn't place enough cloth, she was bound to stain her trousers; if she used too much, the bulky padding would certainly feel uncomfortable. It was so impractical; how could anyone possibly use it?

Hearing Lin He's protest, Ziyu responded, "Miss, it is usable. This is how everyone manages. You should know this is already quite good. Those in poorer families don't have this much cloth to spare; some even use pouches stuffed with ash from burned straw, and they manage fine. Use this for now, and tomorrow I will go out and buy some supplies for you."

"Buy what? Are these things sold?" Lin He asked.

"Yes, they are sold, Miss. They look similar to this, but they have a thin layer of sawdust sewn inside. That's considered better than the usual kind, but even the poor can rarely afford those," Ziyu explained.

Lin He pondered, finding that material unhygienic. She instructed Ziyu to fetch a piece of cloth for her to use as a temporary cushion, then asked Ziyu to bring clean, washed cloths and freshly bought cotton. Ziyu didn't know what Lin He intended to do but obediently went to fetch the items. As Ziyu stepped into the courtyard, Wen Ningxuan was still standing there, his face etched with anxiety. Seeing Ziyu emerge, he asked, "Ziyu, what is wrong with the Miss? How is she now?"

Ziyu felt awkward under his questioning, unsure how to phrase it appropriately. However, seeing the Second Young Master staring intently, she knew he wouldn't easily let her go without an answer. After a moment's thought, she said, "Second Young Master, the Miss is fine. You needn't worry. The Miss isn't ill; she has simply grown up."

Ziyu’s vague words left Wen Ningxuan momentarily bewildered. But Ziyu had already hurried away. Wen Ningxuan mulled over Ziyu’s statement and her demeanor, beginning to grasp the situation. A slight flush crept onto his cheeks. Although he was a man who hadn't experienced such things, having read books, he had some basic understanding. When Ziyu reappeared, he merely instructed her to take good care of Lin He before departing.

Ziyu returned to the room and handed the supplies to Lin He. Lin He, visualizing the sanitary pads from her previous life, began sewing a menstrual pad. She showed the finished product to Ziyu, who smiled and said, "Ah, this is much better than just using cloth, Miss. You are truly clever. Use this for now, and I will wash it clean after you’re done."

Hearing Ziyu, Lin He offered a silent smile and replied, "This doesn't need washing. Once used, it’s discarded. It’s filled with cotton; how clean can you really get it once it’s soiled? Also, in the future, these must be scalded with boiling water and dried completely before use."

"Discard it? Miss, isn't that terribly wasteful?" Ziyu asked.

"It’s alright, it won’t be much waste. You don't need that much cotton for one use; it won't cost much. We must be meticulous about these things." Following this, Lin He imparted a good deal of knowledge about female hygiene to Ziyu.

Ziyu nodded repeatedly as she listened, saying, "Miss knows so much. To think there are so many things like this! I must pay attention to these aspects from now on."

With the Yueshibu stitched, another issue arose. Lin He felt that the current style of underpants wouldn't work well with this new item. In the past, they hadn't seemed problematic, but now they felt genuinely inconvenient. Thus, she started planning and fashioned a pair of underpants modeled after those from her previous life. Ziyu was again astonished upon seeing them.

Once everything was prepared, Lin He had the two young maids draw a bath for her. She then utilized all the newly created items. Only then, feeling completely refreshed, did Lin He sit upon the bed. Ziyu instructed the two maids to brew some brown sugar water and then told Lin He, "Miss, for the next few days, do not go near water. Just call on us if you need anything."

Lin He nodded, then suddenly remembered Wen Ningxuan. "Has the Second Young Master left? Is he still in the courtyard?"

"No, he was there when I first went out to get the things. He was very anxious, saying he was going to call the doctor because he worried something serious was wrong with you." Ziyu then recounted her exchange with Wen Ningxuan to Lin He.

Lin He looked at Ziyu with weary exasperation. Did this girl think telling Wen Ningxuan she had "grown up" was something to be proud of? Truly...

Ziyu met Lin He's glare and said, "Miss, you can't blame me. What was I supposed to say? If I said you were sick, the Second Young Master would certainly have summoned a physician to examine you. If I said you weren't sick, he wouldn't believe you were fine. I could only say that. Besides, the Second Young Master is a man; he wouldn't know about such things. You are overthinking it."