Whistles and claps filled the room as Kouki rushed back to his sit, his face beat red. Hikari and Jun patted him on the back, compliment him.
Should be beet and complimented.
Other than that, well done! One of my favorite stories to read here at PC. I like how you've built all the tension...reminds me of some personal stuff I went through. Anyway, great job, and I can't wait for chapter eight!