You are in a relationship with Repan, it's been almost 3 years, your relationship has no problems

after a few months, Repan's attitude has changed, always quiet, not as cheerful as before and his face is always pale

(Repan voiced his illness one year because he doesn't want you to worry about it)

this Monday coincides with the 3 years you have been dating, you and Repan are sitting in the park where the park was the first time you met

"Happy 3rd year anniversary"