KESEN ROCK FESTIVAL'26 has locked in its complete artist roster for this summer's two-day event. Held July 18-19 at Yumemi Park in Ofunato, Iwate Prefecture, the festival announced OAU and Straitener as the final additions to the July 18 lineup.

The festival runs from 10:30 AM to 7:30 PM both days, with gates opening at 8:30 AM. July 18 features eight acts: OAU, Straitener, Nothing's Carved In Stone, THE BACK HORN, FRONTIER BACKYARD, MONOEYES, LOW IQ 01 & THE RHYTHM MAKERS, and locofrank. July 19 includes ASPARAGUS, JUN SKY WALKER(S), 10-FEET, HAWAIIAN6, the band apart, FUNNY THINK, a flood of circle, and BREIMEN.

KESEN ROCK FESTIVAL started in 2009 with a specific mission: to combat depopulation and economic decline in southern Iwate's Rikuzentakata, Ofunato, and Sumita areas. The festival has become a key cultural event for the region, drawing music fans while supporting local community efforts.

Organizers say opening acts, the detailed timetable, and special event stage performers will be announced in the coming weeks. Tickets are currently available through E-Plus.

This year's lineup represents a mix of Japanese rock and alternative acts, continuing the festival's tradition of showcasing diverse sounds across its two days. For fans planning to attend, early ticket purchases are recommended as the festival tends to draw steady crowds.