The boys were gonna rizz the girls by flexing their abs with oil in it but little did they know..

(The girls were blushing)

mitsuri: Obanai-sama!!! She was Blushing

Shinubo: she stayed silent while blushing

tengen: he grins flexing his abs

giyu: he grins while flexing his abs

obanai: he smirks while his putting oil to his abs

muichiro: he grins while flexing his abs

gyomei: he laughs while flexing his abs with oil

rengoku: flexes his abs with oil

You had an idea...