A new smartphone game based on the TV anime "Osomatsu-san" has been released! #Osoroku for short.
The legendary sextuplets are now on the move on your smartphone! ? Get rewards just by waiting and grow!
Easy to use! Enjoy your free time with the "strongest NEETs"!

What is "Osomatsu-san"?
In 2015, to commemorate the 80th anniversary of Fujio Akatsuka's birth, this TV anime was based on Fujio Akatsuka's classic gag manga "Osomatsu-kun" and depicts the grown-up sextuplets. In 2025, the TV anime celebrated its 10th anniversary.
The unpredictable daily lives of the sextuplets, who are trash, NEETs, and virgins even after turning 20, are depicted, and before you know it, they have become the most famous sextuplets in Japan...!!

▶Play easily anytime, anywhere in your spare time!
Just by waiting, the trash sextuplets will become the strongest sextuplets?!
Keep defeating them in auto mode! Get rewards quickly!

▶ Grow quickly just by touching! A super refreshing training system!

Use your accumulated rewards to grow the sextuplets!

Easy and simple! Press and hold to upgrade in one go!

▶ Limited costumes only available in Osomatsu-kun!

Don't miss the limited costumes for the sextuplets that match the season and events!

Full of the charm of the sextuplets that you can only see here!

▶ Featuring a wide variety of content!

Lots of content including guild battles, reward battles, PvP, and more!

The best way to entertain your spare time! The "strongest NEETs"!

© Fujio Akatsuka / Osomatsu-san Production Committee © G Holdings Co., Ltd.