Like a Tidal Wave - from Pheromone Shower
Complete | Chilyong | 2000 released
2020-06-12 00:08 marked
Alpha ga Alpha wo Daku Houhou
Complete | Tokishiba | 2019 released
2020-07-10 22:18 marked
But they did not switch not even once ):
Yagi to Ookami no Hatsujou Jijou