A Diary to Cael

Sunlight streamed through Cael's window. A familiar sunlight. A diary wrapped in silver paper on the bed side table, a letter he wrote to his future self and an endless loop. What does this all mean? And where does this all lead to?

What would you do if the same day repeated not just once, but a countless more times? Venture across the repeating day with Cael as he uncover the mysteries of the loop.