Janken
When you play Janken (rock paper scissors, for people with less exposure to Japanese culture) with an idol, their facial expression generally gives away what they are going to throw.
By the way, this change in expression occurs immediately before the selection choices appear. Also, as you would probably have found out fairly early on, the aim of the game is to lose.
Some people say, “I can’t remember all three expressions!” But three draws in a row is also acceptable, so really you only need to remember one facial expression.
For instance, if you only remember their “rock” face, then if they make that face, throw “scissors”. If they make any other face, throw “paper”, and you will either lose or draw.
| Rock（グー） | Scissors （チョキ） | Paper （パー） | |
|---|---|---|---|
| Haruka | Mouth closed Eyes strong (open) | Mouth closed Eyes smiling (closed) | Mouth open Eyes smiling (open) |
| Miki | Eyes strong | Eyes as usual | Eyes crossed |
| Chihaya | Mouth corners down ∧ | Mouth forms a straight line | Mouth corners up ∨ |
| Yayoi | Mouth closed Mouth corners down ∧ | Mouth closed Mouth corners up ∨ | Mouth open ▽ |
| Yukiho | Mouth strongly shut Expression stiff Tip of eyebrows up ＼ ／ | Tip of eyebrows down ／ ＼ (they stay as they are) | Eyebrows horizontal ― ― |
| Makoto | Eyes strong Mouth forms a straight line | Eyes half open, as if grinning | Eyes smiling Mouth corners up ∨ |
| Mami | Tip of eyebrows up ＼ ／ | Eyebrows horizontal ― ― | Tip of eyebrows down ／ ＼ |
| Takane | Mouth corners up ∨ | Mouth corners down ∧ | Mouth forms a straight line |
| Hibiki | Tip of eyebrows raised Expression stiff | Eyebrows raised Eyes narrow | Whole eyebrows raised Normal expression |