It’s a bit of a journey between their room to the end of the train, and back - but Gen was quick, and pretty small and easily zipped between the crowds and slow moving people. So he was as quick as anyone could be, returning with his parcel before too long.

He placed it on the bed and bounced a little on his heels, beaming innocently and brightly.

“Open it, open it,” Gen urged him, cheerfully. “I want to see your face, Senku-chan.”