>>5597281Ina specified there are two types of sponsorships they receive: Ones for anybody to take from a general pool of sponsorships available to the EN girls and ones for specific EN girls to do should they wish.
For instance, the Shadowverse streams were open to anybody who wished to do them.
Gura's watchalong with Ina was originally something Gura alone was supposed to do, but she invited Ina to watch with her which they allowed. Same with Mori's Scarlet Nexus.
This then goes into more splits based on length of sponsorship: hours played and checkpoints (or if a non-game, hours shilled and finished product).
Kiara just needs to accept more general sponsorships if she wants to do more. Ina specifically says she denies most of them since she's not interested in shilling anything she's not interested in herself yet still has so many done.