Jesus...relax, you will get happy ending and the ring for Seo Ji Hwan and Go Eun Ha, do you really expect something else in this genre of show? It's predictable like 99% of dramas.
Remeber first time when i'am watched the show...a the end i was literally in physical pain, i couldn't stop crying...scene with the shoelace crushed me, it was hard for me to accept the end...i was always looking some silver lining...i was really mad. But i took me a year to to finally understand something or someone that the whole series is a triumph, including the ending. This series excels in portraying the realities of being a young adult, that audiences anywhere can empathise with. Love in your early-20s is accurately and honestly reflected, as is growing into a relationship with your parents as an adult, and the foundations of friendships that last forever and what they mean to you. This one is essential for life. Everything in this world is transitory; forever is a delusion. Even the most perfect love story is only temporary. Believing in forever offers brief happiness, which is also a double-edged sword. I applaud the ending. It's melancholic, but sadly, life doesn't always give us what we want. Enjoy the youth, till it lasts. I highly recommend everyone to watch Twenty-Five Twenty-One!
Lee Jung Eun is amazing.