Form two lines, ple~aseYou don't have to say "today only", you could continue like that every day, you know?I got it, today is April Fool's day!!Wow, you surprised me~Huh?
You just thought you'd get a fresh start with the new financial year and do your best?...Come on, I'll give you this ancient fish I caught today, so cheer up
I'm not sure that 古代魚 means ancient fish, and やる usually just means do but "give" here is my best guessKomachi is working really hard today, huh