Koguma-chan ehon" stationery series! Square memo, A5 file, transparent masking tape, etc.
The "Koguma-chan Ehon" stationery series is sold by Gakken Holdings. Square Memo] (Hotcakes), [Square Memo] (Sayonara Sankaku), [A5 File] (Hotcakes), [A5 File] (Sayonara Sankaku), [Wall Sticker] (Hotcakes), [Wall Sticker] (Kogumachan), [Transparent Masking Tape 15W] (Sankaku) (Square)
The lineup includes [Transparent Masking Tape 15W] (Face), [Childcare Diary], etc.