Is the implication that the potion causes the change in personality or is the change just what would happen if any of them naturally fell...let's say obsessively...in love with someone?
Eh?Tahdah.Hey, I told you to call me "onee-sama"...The fundoshi♥And you'll have be topless too, okay♪Ruruka...Wait.You've done it now!How dare you take advantage of someone being in love with you to force them to wear this kinda stuff!?You pervert!!Eeek!?The love potion wore off!?