TL;DR
Should you pull for Naba Chizuru now? If you need her, consider the current banner and pity system.
Who is Naba Chizuru?
Naba Chizuru is a character from Mahou Sensei Negima!. She is a powerful and skilled mage, known for her intelligence and magical abilities. As a highly sought-after character in Waifumaster, her addition to the game has excited many players. With her unique skills and playstyle, she is a valuable addition to any team.
When to pull — daily-free pulls vs paid pulls, hard-pity math
When deciding whether to pull for Naba Chizuru, consider your current progress and resources. If you have been saving up for a specific character, now might be the time to use your paid pulls. The hard-pity system in Waifumaster guarantees a rare character after a certain number of pulls, so take this into account when planning your strategy. Daily-free pulls can also be a viable option, but the odds of getting Naba Chizuru are lower.
10x vs single pull math at this rarity tier
At Naba Chizuru's rarity tier, the odds of getting her in a single pull are relatively low. However, doing a 10x pull can significantly increase your chances of getting her. Weigh the costs and benefits of each option, considering your resources and priorities. If you have the means, a 10x pull might be the better choice.
What if she's a duplicate — trade vs master vs unlock
If you already have Naba Chizuru and pull her again, you have a few options. You can choose to trade her for other characters or resources, master her to increase her level and skills, or unlock new content and storylines. Consider what would be most beneficial for your current team and playstyle.
My recommendation
Based on the current banner and pity system, I recommend pulling for Naba Chizuru if you need her. Consider your resources and priorities, and weigh the costs and benefits of each pull option. With her unique skills and playstyle, she is a valuable addition to any team.