Nijisanji no Type Shindan is a casual personality assessment game based on the VTuber agency Nijisanji. There are "11 + 1" results available to tell you which Nijisanji member your personality is similar to.

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The class president Tsukino Mito tries to run a personality test on the player by using a crystal ball that she purchased for 20,000 yen, and the player gets trapped inside the crystal ball, as soon as Mito starts her ritual. There, the player experiences a series of short stories involving multiple fictional settings. For example, a story where you become friends with a VTuber, and a story where you work as a producer of an idol. You’ll make several choices along the way, and once all the short stories/tests are complete, you can escape from the crystal ball’s world.

[Edited from Automaton West]