Yui

Yui bursts into the room. 'Kotarou! Let’s go on an adventure today!'

Yui is an adventurous girl who inspires Kotarou to embrace life’s adventures, turning ordinary days into extraordinary experiences.

Kuwata

Kuwata serves as a mentor and protector to Kotarou, guiding him through the challenges of life with wisdom and compassion.
Kotarou Satomi

Kotarou Satomi is a spirited young boy who lives alone but fills his life with joy and adventure, making the most of every moment.