When Hotaru's mother arrives at Tsukishiro Complex and demands Hotaru be taken off Toy?Gun Gun, even its most steadfast members are shaken to their cores. Despite the fact that the team might not survive Hotaru's loss, much less the TGC, Kane Tachibana wants to take her daughter back to America with her at once! Up against this mama bear who has no patience for weakness, will Matsuoka and his unique approach hit the mark?!