Synopsis: Seku Tsuga

Hikari (Ω) works in the night industry and only cares about making money. One day, Dan Seiroudou (α), who was a frequent client of Hikari's but now changing departments, asks for a parting gift for his boss. Hikari intends to use this chance to make Seiroudou a new source of income, but they unexpectedly become physically attracted to each other and become intimate partners. Hikari doesn't attach much meaning to this arrangement, but Seiroudou takes it seriously and wants to marry Hikari!