There are many similarities between eastern and western religions, but there are also some differences.
Eastern religions were often called Buddhism, Zen, Taoism, Confucianism, and so on. The founders included Buddha, Confucius, Lao Tzu, and so on. Eastern religions emphasized cultivation and self-transcendence, pursuing inner peace and awakening of the soul.
Western religions included Christian, Muslim, Judaism, and so on. Their founders included Jesus, and so on. Western religions emphasized faith and God's grace, pursuing a harmonious relationship between individuals and God, as well as service and sacrifice for God.
In addition, Eastern religions and Western religions had different characteristics in terms of doctrines, rituals, and architecture. For example, Buddhism emphasized freedom and detachment, not material wealth or social status; while Buddhism and Buddhism emphasized faith and God's grace, prayer and rituals; Judaism had many unique rituals and traditions.
Generally speaking, both eastern and western religions have their own unique charm and value. They were born and developed in different cultural and historical backgrounds, and both had a profound impact on human thought, culture and society.
One popular heechul x reader fanfic is 'A Chance Encounter'. It beautifully depicts the unexpected meeting between the reader and Heechul, and then how their relationship gradually develops through various shared experiences. It has great character descriptions and a really engaging plot.
I'm not sure which novel you're referring to because I don't have the context. If you can provide more information, I will try my best to answer your questions.
Another place is Wattpad. It has a huge collection of fanfics. However, you may need to do some more filtering as there are many different types of stories. But with a bit of searching, you might find some great Baekhyun Heechul fanfics there.
One common theme is the discovery of love. It often starts with the reader and Heechul meeting in an ordinary or extraordinary situation, and then they gradually realize their feelings for each other.
It's possible that Heechul had a sad story about family. Maybe there were family problems or he was away from his family for long periods due to his busy career. Missing out on family events and not being able to be there for his loved ones as much as he wanted could be really sad.
Regarding Kim Heechul, he has been in the entertainment industry for a long time. His sad story could also be associated with the departure of friends or colleagues from his group. In the K - pop world, groups can disband or members can leave for various reasons. This would have been really difficult for him as he would have had strong bonds with them. He might have felt a sense of loss and sadness during such times. Also, the competitiveness in the industry could have led to situations where he might have felt left out or not good enough at times, which are all quite sad.
Another common theme is 'unexpected attraction'. The stories usually start with the reader not expecting to be attracted to Heechul or vice versa. And then as they get to know each other better, the attraction grows. It could be through chance encounters or working together on a project. For instance, in some fanfictions, the reader is a staff member and they initially have a professional relationship that turns into something more personal. Also, the theme of 'growth together' is quite popular. The characters, both Heechul and the reader, grow as individuals and as a couple throughout the story. This could be in terms of emotional maturity or achieving personal goals while being in a relationship.
You can try some popular fanfic platforms like Archive of Our Own (AO3). It has a large collection of fanfics, including many Heechul OC ones. Just use the search function and type in 'Heechul OC fanfic' and you'll likely find a bunch of great reads.
There's also 'Shared Adventures'. In this fanfiction, the reader embarks on various exciting adventures with Leeteuk and Heechul. It does a wonderful job of developing the characters and their interactions with the reader in different scenarios. It really makes you feel like you're part of their world.