Multiverse: Starting by Creating Delta of Fate, Group Chat Friends Go Wild

Archer: "..." Rin Tohsaka: "Well, there's nothing to be done. This is what happens when someone's reputation is ruined." Cú Chulainn: "Hahahahaha!" Cú Chulainn: "@Archer, didn't you say that if he insulted you, you wouldn't say a word?" Archer: "Didn't I say nothing at all?" "Sigh..." Archer sighed helplessly, though he was not angry. Compared to what that boy was doing, being cursed a few times truly did not matter. It was just that... He frowned. Why had that black shadow appeared at this time?