Collect the unique stamps of Koharun Rikka, Natsuiro Karin, and Hanakuma Chifuyu. The "Otaru Shiokaze High School Project 'Otaru Town Tour Stamp Rally'" will be held for the 7th time this season. During the event period, the first 500 people who collect 10 or more stamps will receive an original clear file folder as a gift.

Furthermore, the first 200 people who collect all the stamps will receive an original can badge as a gift. Please enjoy the stamp rally while touring each spot with a map in hand.