Asahi has run out of money to pay for his lodgings again, so he goes to Tanya to ask for a quest with a high reward. It turns out that Tanya has just the thing, one with a house as the reward! But to get it, they’ll have to rid it of its current occupant.
The Ikusaba Brother and Sister's Big Dungeon Exploration Plan
خطة الأخوان إيكوسابا لاستكشاف الديماس الكبيرة
Die große Dungeon-Durchsuchungsoperation der Ikusaba-Geschwister
El gran plan de exploración
de la mazmorra de los hermanos Ikusaba
El gran plan de exploración
de la mazmorra de los hermanos Ikusaba
इकुसाबा भाई  और 
बहन का डंजन खोज का बड़ा प्लान
I FRATELLI IKUSABA ESPLORANO IL DUNGEON
O plano de exploração da grande masmorra do irmão e irmã Ikusaba
Брат и сестра Икусаба  готовятся к подземелью