T.A collection — draw odds

How draws work

• You draw items. Each draw gives you one item — a pair of glasses, a teddy bear, and so on. Every item belongs to one T.A character.
• Every item in the pool has an equal chance. There are no rarity tiers and no weighting — if the pool currently holds N items, each draw is exactly 1/N for each.
• Duplicates unlock the character. Collecting 5 copies of an item unlocks the T.A it belongs to as a full CG scene; 20 copies unlocks that T.A's animated video and completes it.
• Completed T.A leave the pool. Once a T.A is fully collected its item is never drawn again, so every draw always progresses your collection — a full collection is guaranteed within a fixed number of draws (a built-in pity system).
• Draws are earned by playing. Draw charges come from gameplay (the energy meter, daily chest, and season rewards). Draws are not sold for money.
• One T.A is free from the start. Every player begins with one T.A already complete. It is not part of the pool and cannot be drawn.