Since I'm not aware of the 'kairi rishta khatta meetha' story, there's no way for me to describe the characters. Maybe the main character Kairi has some unique traits that are central to the bittersweet relationship the title implies, but without reading it, it's all speculation.
I haven't come across the story 'pyar ka dard hai meetha meetha' before. It could be a story that is only known within a certain community or among those who are fans of a particular genre or author. To fully understand it, we would need more details about its origin, the characters involved, and the main plot.
Perhaps it also has a theme of sacrifice in love. The pain of love might be due to having to sacrifice something for the beloved, and the sweet part could be the feeling of self - less love that comes with that sacrifice. However, this is all speculation without knowing the actual story.
The following is a recommendation for a behind-the-scenes comedy novel by the main character," Endless Joy in a Small World." The main character of this novel was an otaku. Through a high-tech game console, he could project game events into reality and obtain rewards. The novel had a unique creativity, an interesting plot, and a relaxed and funny style.
The phrase'sabr ka phal meetha' might translate to 'the sweet fruit of patience' in English. However, without more context, it's difficult to tell the exact story. It could potentially be a folktale where a character shows great patience and in the end is rewarded with something very good, like a delicious fruit that has some magical properties, or perhaps a more metaphorical sweet reward such as love, success, or friendship.
The moral of this story is that no matter how difficult the journey is, as long as you keep working hard, the end result will be positive and fulfilling. It encourages people not to be deterred by obstacles but to keep striving towards their goals.
There could be various English stories that might be related to the concept of 'Sabar ka phal meetha hota hai'. One such story could be about a gardener. The gardener plants a seed and waits patiently for it to grow. He waters it regularly, protects it from pests, and waits through different seasons. Eventually, the plant grows into a beautiful flower or bears delicious fruits. This shows how his patience was rewarded with something wonderful, just like the saying implies.
Since I don't know the particular 'mehnat ka phal meetha' story in Hindi, here's a possible scenario for such a story. There was a student who studied very hard (mehnat) for his exams. He had to sacrifice his playtime, stay up late to study. He faced difficulties like tough subjects and competition from other students. But when the results came out, he got excellent marks, and that was the sweet fruit (phal meetha) of his hard work.