Go! Go! Loser Ranger! 6

The last day of the final exam that will decide the fate of the Ranger recruits has taken a dark turn at the unexpected appearance of the boss monster, Peltrola. With the sudden intervention of the Blue Keeper, D now finds himself stuck between a Dragon Keeper he despises and one of the bosses who betrayed him! Just what is D fighting for; in the end, who will he fight for? And who will survive the final exam?
Attention kaiju and sentai fans! From the creator of The Quintessential Quintuplets comes a new "anti-ranger" action-comedy that'll make you root for the alien invaders! Perfect for fans of Kaiju No. 8 and Power Rangers.
The last day of the final exam that will decide the fate of the Ranger recruits has taken a dark turn at the unexpected appearance of the boss monster, Peltrola. With the sudden intervention of the Blue Keeper, D now finds himself stuck between a Dragon Keeper he despises and one of the bosses who betrayed him! Just what is D fighting for; in the end, who will he fight for? And who will survive the final exam?