Todomatsu Matsuno
One day Osomatsu meets an elderly gentleman who tells him a story about his son, who he lost in an accident. Coincidentally, Osomatsu looks similar to the deceased son, and so the gentleman wishes to adopt him. The man turns out to be the CEO of a big company, and, after overhearing the conversation, the rest of the sextuplets deicide to get into a fight with Osomatsu to decide who will become the heir. Later on, the story takes a sudden, unexpected twist as three strange men dressed in black show up.
Todomatsu
The Matsuno brothers return to the big screen, this time in live-action and portrayed by the members of the Japanese boy band Snow Man! Osomatsu ends up meeting the CEO of a multi-trillion yen company, who wants to adopt Osomatsu as his own! The other brothers find out, and of course, they can't let that slide without a fight...
Miura Kai
Ishimori Uka is very shy and has a hard time making friends. When she was a middle school student, students made fun of her by calling her "stone". Around that time, she met Miura Kai with lemon color hair. Because of him, she entered the same high school. Uka now wants to overcome her shyness and have friends. Kai is a popular student at the school, but he doesn't talk much or seem interested in others. He doesn't know why, but he becomes concerned with Uka. Uka has admired Kai, and she now has feelings for him. Kai has a secret, which no one knows.