If you're looking for manga similar to Fullmetal Alchemist: Brotherhood: 4-Koma Theater, you might like these titles.
About the lives of the sextuplets: Osomatsu, Karamatsu, Choromatsu, Ichimatsu, Juushimatsu, and Todomatsu.
Dejiko's caused plenty of trouble with her Laser Eye Beam, but this time she's gone too far! In an attempt to teach Rabi~en~Rose a lesson, Dejiko shoots her Laser Eye Beam, but crushes the popular Gamers store too! With the Manager fainting of shock and the store in ruins, Dejiko, Puchiko, and Rabi~en~Rose must go find the "secret treasure of prosperity" to rebuild Gamers!