Masayo Ka Complex! Mother's Day Complex Ha, Cake Wo Meguru! (Shogakukan Junior Bunko)

[Machine Translation] The Mayo family lives with four kyodai: the eldest son, Jun; the eldest daughter, Natsuki; and the twins, the second and third sons, May and Kon. The eldest daughter, Natsuki, is constantly pushed around by her twin brothers in both her personal and school life, but deep down she enjoys this kind of life. But then, something happens... Natsuki took the trouble to bake a cake for Mother's Day, but one of her family members ate it without her permission (?). ). Natsuki was furious and finally ran away from home. In fact, the truth of the incident is intertwined with the positions and feelings of each of the four Kyodai....

真代家は、長男・潤、長女・夏木、双子の次男三男・五月・紺の四人のキョーダイで暮らしている。長女の夏木は双子の弟たちに私生活も学校生活も振り回されっぱなしだけどこんな生活を心の底では楽しんでいる。ところが、事件はおきた…。母の日が近いということで、夏木は苦労してケーキをつくったのだが家族の誰かに勝手に食べられて(?)しまったのだ。かんかんに怒った夏木はとうとう家を飛び出した。実は、事件の真相については4人のキョーダイそれぞれの立場や心境が絡み合っていて…。