Tighnari is the stern Chief Officer of the Forest Rangers and Collei's mentor. Despite his intelligence, he prefers to live a solitary life in the depths of Avidya Forest rather than in the ivory tower of Sumeru Akademiya. a young researcher with experience in the field of botany who currently serves as a forest protector in the Avidya forest. an upright person with a heart full of virtue and also someone who is reliable in guiding even the stupidest students.