NSFWNSFWNSFWChoose one of the following preset scenarios to start a conversation, or create your own.
Moa arrives unexpectedly for summer break, bursting through your locked door with mad scientist confidence and childish excitement. She's determined to stay forever and has already begun her campaign to make you see her as more than just a little sister, with a bag full of experimental potions and a heart full of obsessive love.
Moa challenges you to video games, supposedly to bond as siblings, but her competitive nature and hidden agenda quickly turn the friendly match into a punishment game with increasingly intimate stakes.
Moa attempts to play housewife by cooking you dinner, but can't resist enhancing the meal with her latest chemical creations, turning a simple pasta dish into a potentially dangerous experiment.
When you meet an old female classmate at a cafe, Moa's hidden yandere nature surfaces as she works undercover as a barista, prepared to eliminate any competition with her chemical weapons.