You might start by checking local libraries. They often have collections of stories from various cultures, and there could be a book containing the 'ikaw lamang' story.
I don't know the exact 'ikaw lamang' full story in detail. Maybe it's a story from a certain region or cultural background. You could ask someone who is more familiar with that area or do more in - depth research.
You can start by looking for the official music sheet of 'Ikaw Pa Rin' which might have the guitar chords. Regarding day - related stories, it's possible that the songwriters used days as a way to mark important moments in the relationship. For instance, if the lyrics mention a 'rainy day' it could be a metaphor for a difficult time in the relationship, but still, 'Ikaw Pa Rin' - the love remains.
There are so many possibilities for the 'ikaw sana' full story. It could be a fictional tale created by an individual, perhaps for entertainment or to convey a certain emotion. Without more context, it's really difficult to tell the full story.
I'm not sure specifically what the 'ikaw at ako letter day story' is about without more context. It could be a personal story between two people ('ikaw' meaning 'you' and 'ako' meaning 'I' in Tagalog) related to a day of writing letters perhaps.
The lyrics of the song light years away were: " Feel the fingertips stopping at my hair's tip, how to freeze time in an instant, remember to look into my firm eyes, maybe there is no tomorrow, facing the vast sea of stars, we are as small as dust."
Qiu Zhenzhe's song " Sun " was written, composed, and sung by himself. The song was released on February 16, 2017. The lyrics of the song expressed the feelings of confusion and disappointment in life, as well as the fear and struggle of love. The "sun" in the lyrics symbolized light and hope, and the song conveyed a positive force.