It says "I love you." It is missing any pronouns, and in that case this sentence just says "Love", however since korean is mainly a context based language, "I love you" is still the correct translation.
It says If you know Japanese read this
If you know what 1 + 1 is and want to be my friend, add me to robl ox. My user is TheKitkatplays_YT. Follow us on TikTok. My user is kitkatplayzzzzzuwu and the other account is kitkatplayzzzzzuvu. goodbye! Have a nice day
if you don't i'll tell you what im saying
Fe