Kouheiimamura cerita

How would the troll increase if Iori have a twin brother? How would things change?

Y/n L/n has been living in diving shop known as "Grand Blue" that is owned by Toshio Kotegawa as he lives he ecounters some intresting people from a diving club named Peek-A-Boo. As Toshiro's nephew arrives things there will get even more crazy.