I think, its going to be a path here. Yuri's gonna be the legal wife, at R18 he's taking her and declaring her his first and does to her first before the rest, here, he never moved to help others yet, until Yuri's turn. This is fate.
This made me think of Mano Aloe's character... and placing her in this, I'd think its far more brutal end to imagine it.. same to the terminated Vtuber personas, not behind the characters themselves but the lore character itself.
I think Suzuki is just doing this so that Sou will not turn to the R-18 Sou when he can do it with the girls, he wants to realize for his 'safety' that the Girls must be Gay.
If she knew how to do Arnis/Eskrima, two sticks will be quite OP, I used it in our Martial Arts Tour, there's 1 stick vs 1 stick event, and 2 sticks vs 2 sticks event, and dueling with 2 sticks gets wild and fast.