Splashing Blood and Steam, Inside a Shower of Love (Part 1) - S1.E9

The boys take Sunako, along with Noi, on a trip to the hot springs. Sunako tries to do everything she can do so that Takenaga and Noi can be alone, which leads to the fact that Kyohei and Sunako have a very intense ping-pong match. As the match ends, it is shown that Kyohei and Sunako share a kiss by accident.