I Got Caught Up in a Hero Summons, But the Other World Was at Peace! Vol. 2 (manga)

Miyama Kaito has quickly adjusted to living in another world and has even managed to score himself a first in both dimensions: A date! Chro, King Hades herself, asked him out to spend time together, just the two of them. Unfortunately, their traditional date activities are interrupted when a group of rogue wyverns terrorizes the market! Their day ends on a high note in spite of the disruption, but it leaves Kaito examining his feelings for Chro and the new world around him.