= Ashita, deeto shiyouyo.
= Let’s go on a date tomorrow.
Navi:「明日は、無理かもしれない。」
= Ashita wa, muri kamo shirenai.
= I think it could be difficult tomorrow.
Devon:「ひょっとして僕、世界で一番かわいいかも…」
= Hyottoshite boku, sekai de ichiban kawaii kamo…
= (I might be wrong but) I could be the cutest in the world.