Kuchibiruiro No Bara No Hana

Tatsumi, raised by a grandmother he's not related to by blood, and Chinatsu, his uncle, who's been obligated to care for him since young. Without either of them noticing, a change is taking place in their relationship...? Side story to main title: A compilation of the love between odd couple lazy kouhai Uzaki x handsome senpai Yokote.