Science minigame
From Summertime Saga Wiki
The science minigame is a one-time minigame you encounter in Ms. Okita's route. The goal is to create two serums with the previously collected ingredients, following the instructions given by the teacher.
How to play
Click or tap on the different ingredients to complete each conical flask. Three are required per flask, they cannot be reused. The list of ingredients is: Falicum mushroom, horny toad extract, Psychotropic euphorbia, chicken stock, Principal Smith's DNA and… the main character's semen.
Solution
Blue serum = Flower + DNA + Stock
Pink serum = Toad + Mushroom + Semen
Reward
You can progress in Ms. Okita's route.