The bestest of roommates. Especially since Baphomet's google search is nothing but filled with his 'roommate's ' name.
Like the other isekai collector from Souzai Saishuka no Isekai Ryokouki
go MC, make sure you don't forgive him! (don't be like me who just simps)
Only event I could think of where Iruma could have contact with a wide variety of females.