>>1118906
I think MC, Sayori, and Monika are second years (roughly 16/17 depending on where their birthdays are), Natsuki being a first year (roughly 15/16 depending on where her birthday is) and Yuri
POSSIBLY being a third year (17/18 depending on the birthday) . Japan runs high school off a 3 year system rather than a 4 year system like the US. Based on information I can corroborate based on dialog in the game and real world information, we can assume
>no DIRECT reference to anyone's age but "Everyone is totally 18 for sure trust me bro" so Salvato can avoid being fucked with by any legal system
>MC and Sayori knew each other when they (probably) were in elementary school because of the whole childhood friend gimmick they have going on
>MC notes that him and Monika "rarely talked but were in the same class last year"
>MC makes a note that the club room is in an area "that he rarely visits" which is "generally used for third year classes and activities"
>Natsuki is noted to "probably be a first year" by MC
>Natsuki admits that she's the youngest in the club