Things could not have been going better for Tsutsun in his relationship with Iroha, when she suddenly tells him that she wants to go on a trip during the holidays...! A fear-stricken Tsutsun's imagination runs wild as he thinks about his first overnight stay with Iroha, but what happens when he learns how Iroha truly feels...? It's the climatic 10th volume of this pure love story about the world's greatest weakling.