Yuritetsu - Shiritsu Yurigasaki Joshikou Tetsudoubu

A youthful railway manga! It’s name is 『Yuri-Tetsu』! A all-girls high school railway club enters the stage! With four beautiful train-loving girls, get ready to be lured by railway travels!! This time’s trip, 「Traveling Hotel」, or as many fans call it, the 『Hokutousei 』, travels to the northernmost region, Sapporo! Everybody, let’s look forward to boarding!!
(Source: Manga updates)