Ep. 4: Osomatsu Enlists Totoko to Promote Horse Riding as an Idol Activity
Aired on November 10, 2016

4
Osomatsu invites Totoko to participate in a promotional campaign designed to encourage horse riding. The primary objective of this initiative is to utilize her role as an idol to capture the attention of his brothers. By framing the equestrian activity in an appealing manner, Osomatsu hopes to generate interest among his siblings. The plan relies on Totoko's influence to make the sport seem attractive, thereby motivating the brothers to engage with horse riding through the lens of idol culture.
Episodes
- Ep. 1 · Osomatsu Receives JRA Advertising Manager Invitation to Share With Brothers
- Ep. 2 · Matsu presents ideas to make horse riding more engaging for the sextuplets
- Ep. 3 · Sextuplet studies horse racing techniques under the guidance of Osomatsu-sensei
- Ep. 4 · Osomatsu Enlists Totoko to Promote Horse Riding as an Idol Activity
- Ep. 5 · The 66th Annual Mister Flag Cup features sextuplets competing in a horse racing event with a twist.
- Ep. 6 · The Sextuplets Discover Horse Racing Is the Best Activity in December