Translation taken from here. Credit goes to Natsucule & Felix Lawin.
Cool!!Its gramps' sword but smaller!!Can I really have this!?Unshea...?ANYWAY, THANKS!!It's something you get from a place called "school".Aah.What is that.That cylinderI guess I wanna do that once more...I did that a lot...I miss my graduation ceremony...Something that goes "pop" if you do it like this.It's...Like...UNSHEATHING A SWORDUnsheathe it to your heart's content.