The manga is about childhood friends and the seme's family owns a shop of japanese sweets. The uke is very oblivious at the begging but he realise his feelings. The seme is also a bit possesive but not bad-bad kind. The friend of both knows everything.
It was about childhood friend where one did traditional japanese sweets and had red hair, a bit sadistic but spoil rotten the bottom. The bottom had a sister and was very innocent.
When they did it the bottom guy told him 'Treat me sweet*'