One great 'Usagi Drop' pregnancy - related fanfic might be the one that focuses on how the characters adjust to the new addition in their family. It could explore the emotional journey of the main characters as they prepare for the baby.
I'm not sure which ones are the most popular specifically, but you can start by looking on fanfic websites. Check the tags related to 'Usagi Drop' and 'pregnancy'. There might be some fanfics with high ratings or a large number of reviews that could be great.
He could find some information about First Blood in Mandarin. According to the search results, there were some websites that provided free online viewing of the Mandarin version of First Blood, but they did not provide the complete resources for watching the drama. In addition, he could also see the introduction and cast information of First Blood. However, due to the limitations of the search results, it was impossible to provide specific information about the complete series.
Usagi's friends would be extremely worried. They would immediately start looking for her. They might split up to cover more ground and search different areas where Demando could be hiding her. They would also use their powers to try to sense Usagi's location. For example, if one of them has a power related to sensing emotions, they could try to detect Usagi's fear or distress.
Love and sacrifice is a common theme. Mamoru would sacrifice his time and energy to take care of Usagi. Another theme could be the power of friendship. Their friends would likely come to their aid during this difficult time. Also, the theme of hope. Despite Usagi being sick, there is always hope for her to recover and have a healthy baby.
The plot could involve Usagi's sickness being related to some sort of magic or enemy plot. Since she's pregnant, her powers might be affected. Mamoru, being the loving partner, searches for a cure while also protecting Usagi. There could be a lot of emotional turmoil as Usagi is worried about the baby and Mamoru is torn between finding a solution and being by her side all the time. Eventually, with the help of their friends, they figure out what's wrong and Usagi recovers, ready to give birth to a healthy baby.
Tuxedo Mask could also be in the harem. He has a long - standing relationship with Usagi, and in a harem scenario, his feelings for her could be even more intense, competing with others for her love.
Another reason could be an accident. In some fanfictions, the setting might be more of a daily - life scenario with a twist. Perhaps Usagi is distracted while walking and trips over something, resulting in an injury. This can add a touch of realism to the otherwise fantastical world she lives in.
The 'Lone Goat and Kid' story is great. It shows Usagi's honor and his sense of justice. In this story, he has to protect a young goat and its owner from various threats. It delves deep into his character, and the interactions between Usagi and the other characters are really well - written. There are also some intense fight scenes that keep you on the edge of your seat.