- 4/12: Villians
- 4/19: They're the same
- 4/23: All of Them
- 4/25: You unquestionably support it. You have a duty to correct it.
- 4/27: Four color theorem
- 4/30: Wonder, Child, A Prodigy
- 5/7: Fatal Woman
- 5/10: The Heian Period
- 5/11 (EXAMS): Minamoto no Yoshitsune, Minamoto no Yoritomo, Yoritomo won, The weak
- 5/12 (EXAMS): Cognition, Both
- 5/13 (EXAMS): The Devil's Dictionary, Femme Fatale
- 5/16: The Placebo Effect
- 5/19: Katsushika Hokusai
- 5/21: 1:1.414
- 5/23: Together, Senses, Senses coming together
- 5/26: Arthur Conan Doyle
- 5/31: John Silver
- 6/4: The Halo Effect
- 6/7: The number of legs
- 6/8: Controlling Public Thought
- 6/13: Green
- 6/15: Coins
- 6/20: Smartphone
- 6/23: A Pope
- 6/27: Dogs
- 6/29: Gold
- 7/1: Barbarian's Head
- 7/4: Julius and Augustus
- 7/7: The Milky Way, Soumen's noodles
- 7/9: A triangle
- 7/11: Memories that last a long time, Infinite, Forever
- 7/12: Thievery
- 7/13 (EXAMS): 64 degrees, Zhuge Liang, Barbarians Heads, To offer them instead of heads
- 7/14 (EXAMS): Red King Crab (Paralithodes), It caused confusion in the economy.
- 7/15 (EXAMS): Raining cats and dogs, Demon guys
- 9/3: Prosperity
- 9/6: Chronostasis
- 9/14: Money loans for collateral
- 9/17: Cats eating human tongues
- 9/21: Central Europe
- 9/24: 20 white, 12 black
- 9/28: Phantom, Vibration, Syndrome
- 9/29: Imperial Household Agency
- 10/3: Stars
- 10/6: Joseph-Ignace Guillotine
- 10/11: Bouba
- 10/17 (EXAMS): 32 Surfaces, It used to be one color, Black and white picture
- 10/18 (EXAMS): Charles-Henri Sanson, It's a hereditary profession
- 10/19 (EXAMS): Slave labor, 3 bees in all of Europe
- 10/22: 15
- 10/24: Memory Bias
- 11/2: A share of stolen goods
- 11/4: A sword
- 11/8: Any age
- 11/10: Crow eyes are harder to see
- 11/12: Because the voice is synthetic
- 11/14: Because of high altitude
- 11/15: His heads was put on display
- 11/17: Cochleoid
- 12/20 (EXAMS): D, Over one billion yen, Having his head displayed, A performance
- 12/21 (EXAMS): Hearts, Attend
- 12/22 (EXAMS): Japan, Dreadnought
- 1/11: How numerous they are, The Eight Million Gods
- 1/14: Iwate
- 1/18: Impressive
- 1/20: A snake
- 1/24: King-hearted, Negative, Resentful
- 1/27: To friends of friends of friends