Sweetness & Lightning

Masaki Fujiyoshi is a stay-at-home spouse and parent. He has fought long and hard with feelings of being a burden to his loving husband, Hiromu, due to his status as an omega—and the difficulty they faced to achieve this domesticity. When their son, Hikari, was born, the family moved to an area better suited for raising children. Despite their newfound domestic bliss, the family's ties to their past are in tatters. There are people they left behind to pursue the creation of their happy family, and when they begin to return, Masaki and Hiromu aren't quite sure they have good intentions.

Nagomu Irino returns to his Kyoto home for the first time in ten years when his father is hospitalized. Nagomu is eager to take over Ryokushou, the family's Japanese sweet shop, but he's instead asked to be a father figure to Itsuka Yukihira, the girl everyone calls the successor.

Yuuta Segawa, a college student, is suddenly charged with taking care of his three nieces. The eldest niece, Sora, is a 14 year old in middle school with semi-long brownish hair decorated with a ribbon. The middle niece, Miu, is an elementary schoolgirl with blond pigtails. The youngest niece, Hina, is an angelic 3 year old attending daycare. This at-home romantic comedy illustrates the chaotic but heartwarming lives of these four characters in their tiny one-room apartment.

A year has passed since "Okawari" and the 3 sisters have grown up. Their likings and mods are almost the same, Haruka the older sister is a love-giving mother to the younger sisters, but she's also a discipline follower, Kana the middle one leaves everything to the last possible moment and always gives trouble to this trio, and Chiaki the little one is the calculating and manipulating one, she likes to be admired and loved by Haruka and always gives trouble to the less blessed Kana. An unbalanced family, but besides of that they love each other with their whole heart. This family's daily life is as funny as ever, trouble and love is always present, now its time to see if they'll survive this age change since Haruka is now a Young adult and she has even more responsabilities while having to watch over the younger while integrating to the adult life.