My Youth Romantic Comedy is Wrong, As I Expected @ comic, Vol. 12 (manga)

With all three members of the Service Club helping out, the joint-school Christmas event should go smoothly. But thanks to Tamanawa's nonsense meetings, nothing ever moves forward. Hiratsuka-sensei has a suggestion, and it's...a trip to Destiny Land for Hachiman, Yui, Yukino, and Iroha?! And why's Hayama coming along...?