Beware the Kamiki Brothers!, Volume 4
It's surprising, but Iroha and Souichirou just can't seem to see eye-to-eye. Meanwhile, the battle for Iroha's heart rages on between Souichirou and the silver-tongued prince, Kido! On the final day of their field trip, something will add stoke the fire of Souichirou's affections ... What could it possibly be? Who will win this fight?