俺のシリーズ/Ore no series is a variety of desserts and foods offered by convenience store Family Mart.
They are foods aimed at men.
By manly food – they just mean super big.
They offer roll cakes, tirimisu, waffles as well as okonomiyaki and tsukemen.
俺/Ore is the most manly “I” pronoun in Japanese.
The standard way of saying “I” is 私/watashi.
There are also boys versions (僕/boku) and women’s (あたし/atashi).
Check out their full list of Ore Series items here.