The Holy Grail of Eris, Vol. 7 (manga)

After Kate’s successful rescue, Randolph attempts to get to the bottom of Daeg Gallus’s plot and the neighboring Faris’s plans. Meanwhile, Connie remembers that she has Lily Orlamunde’s key, the object that Daeg Gallus was searching for, so she pays a visit to Randolph to hand it over. But when Randolph’s colleague Kyle witnesses their awkward exchange, he begins to suspect that their engagement might be nothing more than a sham…